DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Revenue Recognition	$ 206,547	$ 201,576	$ 176,842
Sales of generic pharmaceutical products [Member]
Revenue Recognition	128,729	117,451	118,437
Sales of branded pharmaceutical products [Member]
Revenue Recognition	63,767	60,554	50,919
Sales of contract manufactured products [Member]
Revenue Recognition	11,139	9,119	7,046
Royalties from licensing agreements [Member]
Revenue Recognition	807	12,504	0
Product development services [Member]
Revenue Recognition	1,125	1,019	0
Other [Member]
Revenue Recognition	$ 980	$ 929	$ 440