Segment Reporting (Selected Financial Information by Reporting Segment) (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($) segment	Jun. 30, 2019 USD ($)
Segment Reporting Information [Line Items]
Number of Reportable Segments | segment			2
Net revenues:
Net Revenue	$ 85,806	$ 79,047	$ 170,494	$ 158,837
Gross Profit:
Gross Profit	33,177	32,387	70,000	63,290
Operating expenses	36,099	31,414	65,442	65,489
Income (loss) from operations	(2,922)	973	4,558	(2,199)
Non-operating income (expenses)	1,418	60,120	(257)	59,659
Income (loss) before income taxes	(1,504)	61,093	4,301	57,460
Finished Pharmaceutical Products
Net revenues:
Net Revenue	80,935	73,735	162,233	148,274
Gross Profit:
Gross Profit	35,437	34,540	74,247	66,852
API
Net revenues:
Net Revenue	4,871	5,312	8,261	10,563
Gross Profit:
Gross Profit	$ (2,260)	$ (2,153)	$ (4,247)	$ (3,562)