STOCK OPTIONS AND STOCK BASED COMPENSATION (Details 3) (USD $)
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6 Months Ended |
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Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
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Range of Exercise Prices, Lower Limit (in dollars per share) |
$ 0us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit |
Range of Exercise Prices, Upper Limit (in dollars per share) |
$ 7.20us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit |
Options Outstanding, Shares Outstanding (in shares) |
3,284,918us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions |
Options Outstanding, Weighted Average Remaining Contractual Term (in years) |
7 years 4 months 28 days |
Options Outstanding, Weighted Average Exercise Price (in dollars per share) |
$ 2.32us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1 |
Options Exercisable, Shares (in shares) |
2,289,845us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions |
Options Exercisable, Weighted Average Exercise Price (in dollars per share) |
$ 2.35us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1 |
Range Of Exercise Prices One [Member] |
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Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
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Range of Exercise Prices, Lower Limit (in dollars per share) |
$ 0us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit / us-gaap_AwardTypeAxis = crds_RangeOfExercisePricesOneMember |
Range of Exercise Prices, Upper Limit (in dollars per share) |
$ 1.48us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit / us-gaap_AwardTypeAxis = crds_RangeOfExercisePricesOneMember |
Options Outstanding, Shares Outstanding (in shares) |
506,768us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions / us-gaap_AwardTypeAxis = crds_RangeOfExercisePricesOneMember |
Options Outstanding, Weighted Average Remaining Contractual Term (in years) |
8 years 1 month 2 days |
Options Outstanding, Weighted Average Exercise Price (in dollars per share) |
$ 1.14us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1 / us-gaap_AwardTypeAxis = crds_RangeOfExercisePricesOneMember |
Options Exercisable, Shares (in shares) |
420,518us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions / us-gaap_AwardTypeAxis = crds_RangeOfExercisePricesOneMember |
Options Exercisable, Weighted Average Exercise Price (in dollars per share) |
$ 1.13us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1 / us-gaap_AwardTypeAxis = crds_RangeOfExercisePricesOneMember |
Range Of Exercise Prices Two [Member] |
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Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
|
Range of Exercise Prices, Lower Limit (in dollars per share) |
$ 1.48us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit / us-gaap_AwardTypeAxis = crds_RangeOfExercisePricesTwoMember |
Range of Exercise Prices, Upper Limit (in dollars per share) |
$ 1.54us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit / us-gaap_AwardTypeAxis = crds_RangeOfExercisePricesTwoMember |
Options Outstanding, Shares Outstanding (in shares) |
450,000us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions / us-gaap_AwardTypeAxis = crds_RangeOfExercisePricesTwoMember |
Options Outstanding, Weighted Average Remaining Contractual Term (in years) |
8 years 6 months 22 days |
Options Outstanding, Weighted Average Exercise Price (in dollars per share) |
$ 1.54us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1 / us-gaap_AwardTypeAxis = crds_RangeOfExercisePricesTwoMember |
Options Exercisable, Shares (in shares) |
337,500us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions / us-gaap_AwardTypeAxis = crds_RangeOfExercisePricesTwoMember |
Options Exercisable, Weighted Average Exercise Price (in dollars per share) |
$ 1.54us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1 / us-gaap_AwardTypeAxis = crds_RangeOfExercisePricesTwoMember |
Range Of Exercise Prices Three [Member] |
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Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
|
Range of Exercise Prices, Lower Limit (in dollars per share) |
$ 1.54us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit / us-gaap_AwardTypeAxis = crds_RangeOfExercisePricesThreeMember |
Range of Exercise Prices, Upper Limit (in dollars per share) |
$ 2.04us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit / us-gaap_AwardTypeAxis = crds_RangeOfExercisePricesThreeMember |
Options Outstanding, Shares Outstanding (in shares) |
321,720us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions / us-gaap_AwardTypeAxis = crds_RangeOfExercisePricesThreeMember |
Options Outstanding, Weighted Average Remaining Contractual Term (in years) |
5 years 2 months 26 days |
Options Outstanding, Weighted Average Exercise Price (in dollars per share) |
$ 1.64us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1 / us-gaap_AwardTypeAxis = crds_RangeOfExercisePricesThreeMember |
Options Exercisable, Shares (in shares) |
312,106us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions / us-gaap_AwardTypeAxis = crds_RangeOfExercisePricesThreeMember |
Options Exercisable, Weighted Average Exercise Price (in dollars per share) |
$ 1.63us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1 / us-gaap_AwardTypeAxis = crds_RangeOfExercisePricesThreeMember |
Range Of Exercise Prices Four [Member] |
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Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
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Range of Exercise Prices, Lower Limit (in dollars per share) |
$ 2.04us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit / us-gaap_AwardTypeAxis = crds_RangeOfExercisePricesFourMember |
Range of Exercise Prices, Upper Limit (in dollars per share) |
$ 2.10us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit / us-gaap_AwardTypeAxis = crds_RangeOfExercisePricesFourMember |
Options Outstanding, Shares Outstanding (in shares) |
819,888us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions / us-gaap_AwardTypeAxis = crds_RangeOfExercisePricesFourMember |
Options Outstanding, Weighted Average Remaining Contractual Term (in years) |
8 years 1 month 13 days |
Options Outstanding, Weighted Average Exercise Price (in dollars per share) |
$ 2.10us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1 / us-gaap_AwardTypeAxis = crds_RangeOfExercisePricesFourMember |
Options Exercisable, Shares (in shares) |
542,056us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions / us-gaap_AwardTypeAxis = crds_RangeOfExercisePricesFourMember |
Options Exercisable, Weighted Average Exercise Price (in dollars per share) |
$ 2.10us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1 / us-gaap_AwardTypeAxis = crds_RangeOfExercisePricesFourMember |
Range Of Exercise Prices Five [Member] |
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Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
|
Range of Exercise Prices, Lower Limit (in dollars per share) |
$ 2.10us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit / us-gaap_AwardTypeAxis = crds_RangeOfExercisePricesFiveMember |
Range of Exercise Prices, Upper Limit (in dollars per share) |
$ 2.56us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit / us-gaap_AwardTypeAxis = crds_RangeOfExercisePricesFiveMember |
Options Outstanding, Shares Outstanding (in shares) |
416,227us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions / us-gaap_AwardTypeAxis = crds_RangeOfExercisePricesFiveMember |
Options Outstanding, Weighted Average Remaining Contractual Term (in years) |
9 years 3 months 4 days |
Options Outstanding, Weighted Average Exercise Price (in dollars per share) |
$ 2.47us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1 / us-gaap_AwardTypeAxis = crds_RangeOfExercisePricesFiveMember |
Options Exercisable, Shares (in shares) |
95,901us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions / us-gaap_AwardTypeAxis = crds_RangeOfExercisePricesFiveMember |
Options Exercisable, Weighted Average Exercise Price (in dollars per share) |
$ 2.37us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1 / us-gaap_AwardTypeAxis = crds_RangeOfExercisePricesFiveMember |
Range Of Exercise Prices Six [Member] |
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Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
|
Range of Exercise Prices, Lower Limit (in dollars per share) |
$ 2.56us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit / us-gaap_AwardTypeAxis = crds_RangeOfExercisePricesSixMember |
Range of Exercise Prices, Upper Limit (in dollars per share) |
$ 3.98us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit / us-gaap_AwardTypeAxis = crds_RangeOfExercisePricesSixMember |
Options Outstanding, Shares Outstanding (in shares) |
333,578us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions / us-gaap_AwardTypeAxis = crds_RangeOfExercisePricesSixMember |
Options Outstanding, Weighted Average Remaining Contractual Term (in years) |
6 years 11 months 8 days |
Options Outstanding, Weighted Average Exercise Price (in dollars per share) |
$ 3.04us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1 / us-gaap_AwardTypeAxis = crds_RangeOfExercisePricesSixMember |
Options Exercisable, Shares (in shares) |
168,636us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions / us-gaap_AwardTypeAxis = crds_RangeOfExercisePricesSixMember |
Options Exercisable, Weighted Average Exercise Price (in dollars per share) |
$ 3.30us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1 / us-gaap_AwardTypeAxis = crds_RangeOfExercisePricesSixMember |
Range Of Exercise Prices Seven [Member] |
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Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
|
Range of Exercise Prices, Lower Limit (in dollars per share) |
$ 3.98us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit / us-gaap_AwardTypeAxis = crds_RangeOfExercisePricesSevenMember |
Range of Exercise Prices, Upper Limit (in dollars per share) |
$ 7.20us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit / us-gaap_AwardTypeAxis = crds_RangeOfExercisePricesSevenMember |
Options Outstanding, Shares Outstanding (in shares) |
436,737us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions / us-gaap_AwardTypeAxis = crds_RangeOfExercisePricesSevenMember |
Options Outstanding, Weighted Average Remaining Contractual Term (in years) |
4 years 3 months 4 days |
Options Outstanding, Weighted Average Exercise Price (in dollars per share) |
$ 4.74us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1 / us-gaap_AwardTypeAxis = crds_RangeOfExercisePricesSevenMember |
Options Exercisable, Shares (in shares) |
413,128us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions / us-gaap_AwardTypeAxis = crds_RangeOfExercisePricesSevenMember |
Options Exercisable, Weighted Average Exercise Price (in dollars per share) |
$ 4.73us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1 / us-gaap_AwardTypeAxis = crds_RangeOfExercisePricesSevenMember |