BUSINESS COMBINATION (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013
Legal fees	$ 1,227
Accounting fees	122
Consulting fees	119
Monitoring and advisory fees	390
Transaction bonuses	4,801
Other	429
Total transaction costs	$ 7,088

Amount of accounting fees directly related to and incurred to consummate the business acquisition.

No definition available.

Name:	anip_BusinessAcquisitionCostOfAcquiredEntityTransactionCostsAccountingFees
Namespace Prefix:	anip_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Amount of consulting fees directly related to and incurred to consummate the business acquisition.

No definition available.

Name:	anip_BusinessAcquisitionCostOfAcquiredEntityTransactionCostsConsultingFees
Namespace Prefix:	anip_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Amount of legal fees directly related to and incurred to consummate the business acquisition.

No definition available.

Name:	anip_BusinessAcquisitionCostOfAcquiredEntityTransactionCostsLegalFee
Namespace Prefix:	anip_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Amount of monitoring and advisory fees directly related to and incurred to consummate the business acquisition.

No definition available.

Name:	anip_BusinessAcquisitionCostOfAcquiredEntityTransactionCostsMonitoryAndAdvisoryFees
Namespace Prefix:	anip_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Amount of other expenses directly related to and incurred to consummate the business acquisition.

No definition available.

Name:	anip_BusinessAcquisitionCostOfAcquiredEntityTransactionCostsOtherExpenses
Namespace Prefix:	anip_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Amount of transaction bonuses directly related to and incurred to consummate the business acquisition.

No definition available.

Name:	anip_BusinessAcquisitionCostOfAcquiredEntityTransactionCostsTransactionBonuses
Namespace Prefix:	anip_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition.

No definition available.

Name:	us-gaap_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant