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Employee Benefit Plan (Details) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2013 Y | Dec. 31, 2012 | Dec. 31, 2007 Y
Defined Benefit Plan |  |  |
Age limit for eligibility to participate in the plan | 18 |  |
Matching contributions | 3.00% | 3.00% |
Required minimum contribution |  |  | 3.00%
Number of years during period specified |  |  | 3
Period specified requiring minimum match of 3% |  |  | 5 years
Contributed matching funds | $ 126,322 | $ 102,189 |
Minimum |  |  |
Defined Benefit Plan |  |  |
Matching contributions | 1.00% |  |
Maximum |  |  |
Defined Benefit Plan |  |  |
Matching contributions | 3.00% |  |

X
- Definition The required minimum employer matching percentage of employees' contributions for three of the first five years of the plan. + References No definition available. + Details
Name: | axgn_DefinedContributionPlanEmployerMatchingContributionPercentRequiredMinimumForThreeOfFirstFiveYearsOfPlan
Namespace Prefix: | axgn_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of years in the specified period in which the employer is required to make a specified matching contribution. + References No definition available. + Details
Name: | axgn_DefinedContributionPlanEmployerMatchingContributionPercentRequiredMinimumPercentageNumberOfYearsInSpecifiedPeriod
Namespace Prefix: | axgn_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The total period of time for which a required minimum employer matching contribution is specified in some of the years. + References No definition available. + Details
Name: | axgn_DefinedContributionPlanEmployerMatchingContributionPercentRequiredMinimumPercentageSpecifiedPeriod
Namespace Prefix: | axgn_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Defined contribution plan minimum age limit for eligibility to participate in plan. + References No definition available. + Details
Name: | axgn_DefinedContributionPlanMinimumAgeLimitForEligibilityToParticipateInPlan
Namespace Prefix: | axgn_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_DefinedBenefitPlanDisclosureLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of the cost recognized during the period for defined contribution plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6414718&loc=d3e28014-114942 + Details
Name: | us-gaap_DefinedContributionPlanCostRecognized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration