CORTROPHIN PRE-LAUNCH CHARGES (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2020	Jun. 30, 2019
CORTROPHIN PRE-LAUNCH CHARGES
Cortrophin Pre Launch Charges	$ 3,636	$ 8,238	$ 0

Amount of charges directly related to the Cortrophin pre-launch commercialization efforts, including but not limited to sales and marketing expenses.

No definition available.

Name:	anip_CortrophinPreLaunchCharges
Namespace Prefix:	anip_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration