v2.4.0.8
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Stockholders' Equity - Summary of Stock Option Activity (Detail) (USD $)
|
3 Months Ended |
6 Months Ended |
12 Months Ended |
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|
|
|
|
| Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] |
|
|
|
|
| Options Outstanding, Beginning balance |
|
2,690,586 |
3,618,567 |
896,256 |
| Granted, Options Outstanding |
160,540 |
927,981 |
574,540 |
2,023,394 |
| Canceled, Options Outstanding |
|
|
(10,855) |
(5,000) |
| Exercised, Options Outstanding |
|
|
(7,300) |
(224,064) |
| Options Outstanding, Ending balance |
4,174,952 |
3,618,567 |
4,174,952 |
2,690,586 |
| Weighted-Average Exercise Price, Options Beginning balance |
|
$ 1.48 |
$ 2.11 |
$ 0.08 |
| Vested and Exercisable, Options Outstanding |
1,395,841 |
|
1,395,841 |
|
| Options granted, Weighted-Average Exercise Price |
|
$ 3.93 |
$ 5.09 |
$ 1.95 |
| Options canceled, Weighted-Average Exercise Price |
|
|
$ 3.85 |
$ 2.25 |
| Options exercised, Weighted-Average Exercise Price |
|
|
$ 2.73 |
$ 0.08 |
| Weighted-Average Exercise Price, Options Ending balance |
$ 2.52 |
$ 2.11 |
$ 2.52 |
$ 1.48 |
| Aggregate Intrinsic Value, Options Beginning balance |
|
$ 3,041,476 |
$ 5,909,154 |
|
| Vested and Exercisable, Weighted-Average Exercise Price |
$ 1.85 |
|
$ 1.85 |
|
| Options Exercised, Aggregate Intrinsic Value |
|
|
22,192 |
564,641 |
| Aggregate Intrinsic Value, Options Ending balance |
13,631,682 |
5,909,154 |
13,631,682 |
3,041,476 |
| Vested and Exercisable at September 30, 2013 |
$ 5,477,584 |
|
$ 5,477,584 |
|
| X |
- Definition
Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.
+ References+ Details
| Name: |
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1 |
| Namespace Prefix: |
us-gaap_ |
| Data Type: |
xbrli:monetaryItemType |
| Balance Type: |
debit |
| Period Type: |
instant |
|
| X |
- Definition
The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.
+ References+ Details
| Name: |
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber |
| Namespace Prefix: |
us-gaap_ |
| Data Type: |
xbrli:sharesItemType |
| Balance Type: |
na |
| Period Type: |
instant |
|
| X |
- Definition
The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.
+ References+ Details
| Name: |
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice |
| Namespace Prefix: |
us-gaap_ |
| Data Type: |
num:perShareItemType |
| Balance Type: |
na |
| Period Type: |
instant |
|
| X |
- Definition
Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.
+ References+ Details
| Name: |
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue |
| Namespace Prefix: |
us-gaap_ |
| Data Type: |
xbrli:monetaryItemType |
| Balance Type: |
debit |
| Period Type: |
duration |
|
| X |
- Definition
For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.
+ References+ Details
| Name: |
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod |
| Namespace Prefix: |
us-gaap_ |
| Data Type: |
xbrli:sharesItemType |
| Balance Type: |
na |
| Period Type: |
duration |
|
| X |
- Definition
Weighted average price of options that were either forfeited or expired.
+ References+ Details
| Name: |
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice |
| Namespace Prefix: |
us-gaap_ |
| Data Type: |
num:perShareItemType |
| Balance Type: |
na |
| Period Type: |
duration |
|
| X |
- Definition
Gross number of share options (or share units) granted during the period.
+ References+ Details
| Name: |
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross |
| Namespace Prefix: |
us-gaap_ |
| Data Type: |
xbrli:sharesItemType |
| Balance Type: |
na |
| Period Type: |
duration |
|
| X |
- Definition
Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.
+ References+ Details
| Name: |
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue |
| Namespace Prefix: |
us-gaap_ |
| Data Type: |
xbrli:monetaryItemType |
| Balance Type: |
debit |
| Period Type: |
instant |
|
| X |
- Definition
Number of options outstanding, including both vested and non-vested options.
+ References+ Details
| Name: |
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber |
| Namespace Prefix: |
us-gaap_ |
| Data Type: |
xbrli:sharesItemType |
| Balance Type: |
na |
| Period Type: |
instant |
|
| X |
- Definition
Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.
+ References+ Details
| Name: |
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice |
| Namespace Prefix: |
us-gaap_ |
| Data Type: |
num:perShareItemType |
| Balance Type: |
na |
| Period Type: |
instant |
|
| X |
- Definition
Weighted average price at which option holders acquired shares when converting their stock options into shares.
+ References+ Details
| Name: |
us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice |
| Namespace Prefix: |
us-gaap_ |
| Data Type: |
num:perShareItemType |
| Balance Type: |
na |
| Period Type: |
duration |
|
| X |
- Definition
Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.
+ References+ Details
| Name: |
us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice |
| Namespace Prefix: |
us-gaap_ |
| Data Type: |
num:perShareItemType |
| Balance Type: |
na |
| Period Type: |
duration |
|
| X |
- Definition
Number of share options (or share units) exercised during the current period.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Article 3
Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644
Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770
Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.28,29)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682
Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(2)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901
Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 29, 30
-Article 5
+ Details
| Name: |
us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised |
| Namespace Prefix: |
us-gaap_ |
| Data Type: |
xbrli:sharesItemType |
| Balance Type: |
na |
| Period Type: |
duration |
|
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