Annual report pursuant to Section 13 and 15(d)

Stock Options (Details 2)

v2.4.1.9
Stock Options (Details 2) (Stock options, USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Stock options
   
Non-vested share-based payment activity with employees    
Number of non-vested options outstanding at the beginning of the period (in shares) 675,196us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares
/ us-gaap_AwardTypeAxis
= axgn_EmployeeConsultantsAndDirectorsStockOptionsMember
858,115us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares
/ us-gaap_AwardTypeAxis
= axgn_EmployeeConsultantsAndDirectorsStockOptionsMember
Number of non-vested options granted (in shares) 935,750us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
/ us-gaap_AwardTypeAxis
= axgn_EmployeeConsultantsAndDirectorsStockOptionsMember
261,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
/ us-gaap_AwardTypeAxis
= axgn_EmployeeConsultantsAndDirectorsStockOptionsMember
Number of options vested (in shares) (407,437)us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares
/ us-gaap_AwardTypeAxis
= axgn_EmployeeConsultantsAndDirectorsStockOptionsMember
(385,076)us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares
/ us-gaap_AwardTypeAxis
= axgn_EmployeeConsultantsAndDirectorsStockOptionsMember
Number of non-vested options forfeited (in shares) (44,023)us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares
/ us-gaap_AwardTypeAxis
= axgn_EmployeeConsultantsAndDirectorsStockOptionsMember
(58,843)us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares
/ us-gaap_AwardTypeAxis
= axgn_EmployeeConsultantsAndDirectorsStockOptionsMember
Number of non-vested options outstanding at the end of the period (in shares) 1,159,486us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares
/ us-gaap_AwardTypeAxis
= axgn_EmployeeConsultantsAndDirectorsStockOptionsMember
675,196us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares
/ us-gaap_AwardTypeAxis
= axgn_EmployeeConsultantsAndDirectorsStockOptionsMember
Weighted average grant-date fair value of non-vested options outstanding at the beginning of the period (in dollars per share) $ 2.88us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= axgn_EmployeeConsultantsAndDirectorsStockOptionsMember
$ 2.36us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= axgn_EmployeeConsultantsAndDirectorsStockOptionsMember
Weighted average grant-date fair value of options granted (in dollars per share) $ 3.57us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= axgn_EmployeeConsultantsAndDirectorsStockOptionsMember
$ 3.72us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= axgn_EmployeeConsultantsAndDirectorsStockOptionsMember
Weighted average grant-date fair value of options vested (in dollars per share) $ (3.03)us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= axgn_EmployeeConsultantsAndDirectorsStockOptionsMember
$ (2.22)us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= axgn_EmployeeConsultantsAndDirectorsStockOptionsMember
Weighted average grant-date fair value of non-vested options forfeited (in dollars per share) $ (3.78)us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= axgn_EmployeeConsultantsAndDirectorsStockOptionsMember
$ (3.48)us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= axgn_EmployeeConsultantsAndDirectorsStockOptionsMember
Weighted average grant-date fair value of non-vested options outstanding at the end of the period (in dollars per share) $ 3.37us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= axgn_EmployeeConsultantsAndDirectorsStockOptionsMember
$ 2.88us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= axgn_EmployeeConsultantsAndDirectorsStockOptionsMember