SEC Info - Biolase, Inc. - ‘10-Q’ for 9/30/23

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Biolase, Inc. – ‘10-Q’ for 9/30/23 – ‘EX-101.DEF’

On: Thursday, 11/9/23, at 4:52pm ET · For: 9/30/23 · Accession #: 950170-23-62187 · File #: 1-36385

Previous ‘10-Q’: ‘10-Q’ on 8/10/23 for 6/30/23 · Latest ‘10-Q’: This Filing · 17 References:

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

11/09/23  Biolase, Inc.                     10-Q        9/30/23   81:12M                                    Donnelley … Solutions/FA

Quarterly Report — Form 10-Q

Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-Q        Quarterly Report                                    HTML   3.71M 
 2: EX-31.1     Certification -- §302 - SOA'02                      HTML     28K 
 3: EX-31.2     Certification -- §302 - SOA'02                      HTML     28K 
 4: EX-32.1     Certification -- §906 - SOA'02                      HTML     25K 
 5: EX-32.2     Certification -- §906 - SOA'02                      HTML     25K 
11: R1          Document and Entity Information                     HTML     77K 
12: R2          Consolidated Balance Sheets (Unaudited)             HTML    135K 
13: R3          Consolidated Balance Sheets (Unaudited)             HTML     51K 
                (Parenthetical)                                                  
14: R4          Consolidated Statements Of Operations And           HTML    123K 
                Comprehensive Loss (Unaudited)                                   
15: R5          Consolidated Statements Of Redeemable Preferred     HTML    160K 
                Stock and Stockholders' Equity (Unaudited)                       
16: R6          Consolidated Statements Of Cash Flows (Unaudited)   HTML    116K 
17: R7          Description of Business and Basis of Presentation   HTML     42K 
18: R8          Summary of Significant Accounting Policies          HTML     36K 
19: R9          Revenue Recognition                                 HTML    158K 
20: R10         Convertible Redeemable Preferred Stock and          HTML    300K 
                Stockholders' Equity                                             
21: R11         Inventory                                           HTML     47K 
22: R12         Property, Plant, and Equipment                      HTML     69K 
23: R13         Intangible Assets and Goodwill                      HTML     32K 
24: R14         Accrued Liabilities                                 HTML    111K 
25: R15         Debt                                                HTML     91K 
26: R16         Leases                                              HTML    113K 
27: R17         Segment Information                                 HTML     79K 
28: R18         Concentrations                                      HTML     88K 
29: R19         Income Taxes                                        HTML     35K 
30: R20         Summary of Significant Accounting Policies          HTML     45K 
                (Policies)                                                       
31: R21         Revenue Recognition (Tables)                        HTML    142K 
32: R22         Redeemable Preferred Stock and Stockholders'        HTML    213K 
                Equity (Tables)                                                  
33: R23         Inventory (Tables)                                  HTML     44K 
34: R24         Property, Plant, and Equipment (Tables)             HTML     63K 
35: R25         Accrued Liabilities (Tables)                        HTML    110K 
36: R26         Debt (Tables)                                       HTML     79K 
37: R27         Leases (Tables)                                     HTML    104K 
38: R28         Segment Information (Tables)                        HTML     73K 
39: R29         Concentrations (Tables)                             HTML     85K 
40: R30         Description of Business and Basis of Presentation   HTML     70K 
                - Additional Information (Detail)                                
41: R31         Revenue Recognition - Additional Information        HTML     33K 
                (Detail)                                                         
42: R32         Revenue Recognition - Summary of Opening and        HTML     34K 
                Closing Balances of Contract Liabilities (Detail)                
43: R33         Revenue Recognition - Summary of Disaggregation of  HTML     35K 
                Revenues Related to Geographic Areas (Detail)                    
44: R34         Revenue Recognition - Summary of Revenues           HTML     35K 
                Disaggregated by Timing of Goods and Services                    
                Transferred (Detail)                                             
45: R35         Revenue Recognition - Summary of Sales by End       HTML     35K 
                Market (Detail)                                                  
46: R36         Convertible Redeemable Preferred Stock and          HTML    286K 
                Stockholders' Equity - Additional Information                    
                (Detail)                                                         
47: R37         Classification of Compensation Expense Associated   HTML     43K 
                with Share-Based Payments (Detail)                               
48: R38         Summary of Option Activity (Detail)                 HTML     56K 
49: R39         Summary of Option Activity (Parenthetical)          HTML     24K 
                (Details)                                                        
50: R40         Summary of Unvested Stock Option Activity (Detail)  HTML     40K 
51: R41         Summary of Unvested Stock Option Activity           HTML     35K 
                (Parenthetical) (Details)                                        
52: R42         Fair Value Disclosures Related to Grants,           HTML     25K 
                Exercises and Vested Options (Detail)                            
53: R43         Summary of Unvested Restricted Stock Units          HTML     53K 
                (Detail)                                                         
54: R44         Summary of Warrant Activity (Detail)                HTML     48K 
55: R45         Inventory - Components of Inventory (Detail)        HTML     32K 
56: R46         Inventory - Additional Information (Detail)         HTML     27K 
57: R47         Property, Plant, and Equipment - Summary of         HTML     45K 
                Property, Plant, and Equipment (Detail)                          
58: R48         Property, Plant, and Equipment - Additional         HTML     32K 
                Information (Detail)                                             
59: R49         Intangible Assets and Goodwill - Additional         HTML     40K 
                Information (Detail)                                             
60: R50         Accrued Liabilities - Components of Accrued         HTML     43K 
                Liabilities (Detail)                                             
61: R51         Accrued Liabilities - Changes in Initial Product    HTML     37K 
                Warranty Accrual and Expenses Under Initial and                  
                Extended Warranties (Detail)                                     
62: R52         Accrued Liabilities - Additional Information        HTML     32K 
                (Detail)                                                         
63: R53         Debt - Summary of Principal Outstanding and         HTML     44K 
                Unamortized Discount (Detail)                                    
64: R54         Debt - Additional Information (Detail)              HTML     82K 
65: R55         Debt - Summary of Future Minimum Principal and      HTML     51K 
                Interest Payments (Detail)                                       
66: R56         Leases - Additional Information (Detail)            HTML     57K 
67: R57         Leases - Information related to Right-of-use        HTML     33K 
                Assets and Liabilities (Detail)                                  
68: R58         Leases - Schedule of Maturities of Lease            HTML     42K 
                Liabilities (Detail)                                             
69: R59         Leases - Future Minimum Rental Commitments Under    HTML     37K 
                Lease Agreements (Detail)                                        
70: R60         Commitments and Contingencies - Additional          HTML     25K 
                Information (Detail)                                             
71: R61         Segment Information - Additional Information        HTML     37K 
                (Detail)                                                         
72: R62         Segment Information - Summary of Net Revenue by     HTML     33K 
                Geographic Location (Detail)                                     
73: R63         Segment Information - Summary of Property, Plant    HTML     30K 
                and Equipment by Geographic Location (Detail)                    
74: R64         Concentrations - Summary of Net Revenue from        HTML     44K 
                Various Products (Detail)                                        
75: R65         Concentrations - Additional Information (Detail)    HTML     38K 
76: R66         Income Taxes - Additional Information (Detail)      HTML     33K 
79: XML         IDEA XML File -- Filing Summary                      XML    146K 
77: XML         XBRL Instance -- biol-20230930_htm                   XML   2.69M 
78: EXCEL       IDEA Workbook of Financial Report Info              XLSX    155K 
 9: EX-101.CAL  XBRL Calculations -- biol-20230930_cal               XML    164K 
 7: EX-101.DEF  XBRL Definitions -- biol-20230930_def                XML    819K 
10: EX-101.LAB  XBRL Labels -- biol-20230930_lab                     XML   1.69M 
 6: EX-101.PRE  XBRL Presentations -- biol-20230930_pre              XML   1.22M 
 8: EX-101.SCH  XBRL Schema -- biol-20230930                         XSD    253K 
80: JSON        XBRL Instance as JSON Data -- MetaLinks              519±   833K 
81: ZIP         XBRL Zipped Folder -- 0000950170-23-062187-xbrl      Zip    394K

‘EX-101.DEF’ — XBRL Definitions — biol-20230930_def

This Exhibit is an XBRL File.

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<link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="srt_TitleOfIndividualWithRelationshipToEntityDomain" xlink:to="srt_BoardOfDirectorsChairmanMember" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_AwardTypeAxis" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_AwardTypeAxis" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_default" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_PlanNameAxis" xlink:to="us-gaap_PlanNameDomain" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="srt_RangeMember" xlink:to="srt_MaximumMember" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="us-gaap_RestrictedStockUnitsRSUMember" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="srt_RangeAxis" xlink:to="srt_RangeMember_default" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_StatementEquityComponentsAxis" xlink:to="us-gaap_EquityComponentDomain" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_SubsidiarySaleOfStockAxis" xlink:to="us-gaap_SaleOfStockNameOfTransactionDomain" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain" xlink:to="us-gaap_RightsMember" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="biol_TemporaryEquityAndStockholdersEquityLineItems" xlink:to="us-gaap_TemporaryEquitySharesAuthorized" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain" xlink:to="us-gaap_PrivatePlacementMember" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="srt_TitleOfIndividualAxis" xlink:to="srt_TitleOfIndividualWithRelationshipToEntityDomain" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="srt_TitleOfIndividualAxis" xlink:to="srt_TitleOfIndividualWithRelationshipToEntityDomain_default" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfWarrantOrRightDomain" xlink:to="biol_OriginalWesternAllianceWarrantMember" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="biol_TemporaryEquityAndStockholdersEquityTable" xlink:to="us-gaap_StatementEquityComponentsAxis" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_FairValueByAssetClassAxis" xlink:to="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_FairValueByAssetClassAxis" xlink:to="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_default" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_ClassOfWarrantOrRightAxis" xlink:to="us-gaap_ClassOfWarrantOrRightDomain" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_ClassOfWarrantOrRightAxis" xlink:to="us-gaap_ClassOfWarrantOrRightDomain_default" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_PlanNameDomain" xlink:to="biol_TwoThousandEighteenLongTermIncentivePlanMember" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="srt_RangeMember" xlink:to="srt_MinimumMember" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="biol_PerformanceBasedAwardsMember" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="biol_TemporaryEquityAndStockholdersEquityLineItems" xlink:to="us-gaap_PreferredStockRedemptionAmount" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain" xlink:to="biol_UnderwrittenPublicOfferingMember" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="biol_TemporaryEquityAndStockholdersEquityTable" xlink:to="us-gaap_ClassOfWarrantOrRightAxis" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="2" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="us-gaap_PhantomShareUnitsPSUsMember" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="2" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="biol_TemporaryEquityAndStockholdersEquityLineItems" xlink:to="us-gaap_CommonStockParOrStatedValuePerShare" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="2" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="biol_TemporaryEquityAndStockholdersEquityTable" xlink:to="us-gaap_AwardTypeAxis" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="3" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="us-gaap_StockAppreciationRightsSARSMember" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="3" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="biol_TemporaryEquityAndStockholdersEquityLineItems" xlink:to="biol_PaidInKindDividendsPercentage" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="3" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="biol_TemporaryEquityAndStockholdersEquityTable" xlink:to="srt_TitleOfIndividualAxis" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="4" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="biol_SeriesFPreferredStockAndJulyTwoThousandTwentyMember" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="4" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="biol_TemporaryEquityAndStockholdersEquityLineItems" xlink:to="us-gaap_ProceedsFromOtherEquity" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="4" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="biol_TemporaryEquityAndStockholdersEquityTable" xlink:to="us-gaap_PlanNameAxis" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="5" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="biol_TemporaryEquityAndStockholdersEquityLineItems" xlink:to="us-gaap_ClassOfWarrantOrRightOutstanding" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="5" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="biol_TemporaryEquityAndStockholdersEquityTable" xlink:to="srt_RangeAxis" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="6" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="biol_SeriesFPreferredStockAndJulyTwoThousandTwentyAmendmentMember" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="6" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="biol_TemporaryEquityAndStockholdersEquityLineItems" xlink:to="us-gaap_CommonStockValue" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="6" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="biol_TemporaryEquityAndStockholdersEquityTable" xlink:to="us-gaap_SubsidiarySaleOfStockAxis" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="7" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="biol_TemporaryEquityAndStockholdersEquityLineItems" xlink:to="us-gaap_ProceedsFromIssuanceOfWarrants" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="7" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="biol_TemporaryEquityAndStockholdersEquityTable" xlink:to="us-gaap_StatementClassOfStockAxis" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="8" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="biol_TemporaryEquityAndStockholdersEquityLineItems" xlink:to="us-gaap_PreferredStockConvertibleConversionPriceIncrease" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="8" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="biol_TemporaryEquityAndStockholdersEquityTable" xlink:to="us-gaap_FairValueByAssetClassAxis" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="9" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="biol_TemporaryEquityAndStockholdersEquityLineItems" xlink:to="us-gaap_PreferredStockConvertibleConversionPriceDecrease" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="10" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="biol_TemporaryEquityAndStockholdersEquityLineItems" xlink:to="biol_ProceedsFromWarrantExercise" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="11" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="us-gaap_SeriesHPreferredStockMember" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="11" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="biol_TemporaryEquityAndStockholdersEquityLineItems" xlink:to="biol_IncreaseInNumberOfUnitsAvailableForIssuance" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="12" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="biol_TemporaryEquityAndStockholdersEquityLineItems" xlink:to="biol_TemporaryConversionOfWarrantsIntoShare" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="13" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="biol_TemporaryEquityAndStockholdersEquityLineItems" xlink:to="biol_TemporaryConversionOfPreferredStockIntoCommonStock" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="14" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="biol_SeriesJWarrantsMember" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="14" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="biol_TemporaryEquityAndStockholdersEquityLineItems" xlink:to="biol_ProceedsFromCommonStockAndWarrants" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="15" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="biol_SeriesHWarrantsMember" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="15" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="biol_TemporaryEquityAndStockholdersEquityLineItems" xlink:to="biol_AllocatedToWarrantsBasedUponFairValues" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="16" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="biol_MayTwoThousandTwentyThreePublicOfferingMember" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="16" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="biol_TemporaryEquityAndStockholdersEquityLineItems" xlink:to="biol_ProceedsAllocatedToWarrantsBasedUponFairValues" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="17" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="biol_January2023WarrantMember" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="17" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="biol_TemporaryEquityAndStockholdersEquityLineItems" xlink:to="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="18" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="biol_January2023PrefundedWarrantMember" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="18" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="biol_TemporaryEquityAndStockholdersEquityLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="19" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="biol_SeptemberTwoThousandTwentyThreePublicOfferingMember" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="19" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="biol_TemporaryEquityAndStockholdersEquityLineItems" xlink:to="us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="20" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="biol_TemporaryEquityAndStockholdersEquityLineItems" xlink:to="us-gaap_StockIssuedDuringPeriodSharesNewIssues" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="21" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="biol_TemporaryEquityAndStockholdersEquityLineItems" xlink:to="us-gaap_WarrantsAndRightsOutstanding" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="22" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="biol_TemporaryEquityAndStockholdersEquityLineItems" xlink:to="us-gaap_PreferredStockRedemptionDiscount" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="23" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="biol_TemporaryEquityAndStockholdersEquityLineItems" xlink:to="us-gaap_TemporaryEquityRedemptionPricePerShare" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="24" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="biol_TemporaryEquityAndStockholdersEquityLineItems" xlink:to="us-gaap_TemporaryEquityDividendsAdjustment" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="25" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="biol_TemporaryEquityAndStockholdersEquityLineItems" xlink:to="us-gaap_TemporaryEquityParOrStatedValuePerShare" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="26" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="biol_TemporaryEquityAndStockholdersEquityLineItems" xlink:to="biol_TemporaryEquityConversionOfPreferredStockIntoCommonStock" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="27" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="biol_TemporaryEquityAndStockholdersEquityLineItems" xlink:to="us-gaap_TemporaryEquitySharesIssued" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="28" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="biol_TemporaryEquityAndStockholdersEquityLineItems" xlink:to="us-gaap_TemporaryEquitySharesOutstanding" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="29" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="biol_TemporaryEquityAndStockholdersEquityLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="30" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="biol_TemporaryEquityAndStockholdersEquityLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="31" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="biol_TemporaryEquityAndStockholdersEquityLineItems" xlink:to="biol_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndRestrictedStockUnitsOutstandingNumber" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="32" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="biol_TemporaryEquityAndStockholdersEquityLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="33" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="biol_TemporaryEquityAndStockholdersEquityLineItems" xlink:to="biol_AllocatedShareBasedCompensationExpenseCredit" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="34" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="biol_TemporaryEquityAndStockholdersEquityLineItems" xlink:to="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="35" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="biol_TemporaryEquityAndStockholdersEquityLineItems" xlink:to="us-gaap_OtherLiabilitiesNoncurrent" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="36" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="biol_TemporaryEquityAndStockholdersEquityLineItems" xlink:to="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="37" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="biol_TemporaryEquityAndStockholdersEquityLineItems" xlink:to="us-gaap_PreferredStockNoParValue" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="38" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="biol_TemporaryEquityAndStockholdersEquityLineItems" xlink:to="biol_OfferingOfCommonStock" priority="2" use="optional"/>

<link:definitionArc xlink:type="arc" order="39" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="biol_TemporaryEquityAndStockholdersEquityLineItems" xlink:to="us-gaap_ProceedsFromIssuanceInitialPublicOffering" priority="2" use="optional"/>

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