|
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 |
| X | ||||||||||
|
- Definition
Gross number of share options (or share units) granted during the period. No definition available.
|
| X | ||||||||||
|
- Definition
The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Number of non-vested options outstanding. No definition available.
|
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Definition
Number of non-vested options forfeited. No definition available.
|
| X | ||||||||||
|
- Definition
Weighted average grant-date fair value of non-vested options forfeited. No definition available.
|
| X | ||||||||||
|
- Definition
Weighted average grant-date fair value of non-vested options outstanding. No definition available.
|
| X | ||||||||||
|
- Definition
Number of options vested. No definition available.
|
| X | ||||||||||
|
- Definition
Weighted average grant-date fair value of options vested. No definition available.
|