REVENUE FROM CONTRACTS WITH CUSTOMERS (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Royalty revenues	$ 33	$ 67
Zyla (Oxaydo)
Royalty revenues	30	55
MainPointe (Nexafed)
Royalty revenues	$ 3	$ 12

Revenue earned during the period from the leasing or otherwise lending to a third party the entity's rights or title to certain property. Royalty revenue is derived from a percentage or stated amount of sales proceeds or revenue generated by the third party using the entity's property. Examples of property from which royalties may be derived include patents and oil and mineral rights.

No definition available.

Name:	acur_RevenueFromRoyalty
Namespace Prefix:	acur_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration