Company Operations by Product, Customer and Geographic Area (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Segment Reporting Information [Line Items]
Total product sales and services	$ 35,353	$ 32,726
License and research revenue	863	0
Total revenues	36,216	32,726
Bloxiverz [Member]
Segment Reporting Information [Line Items]
Total product sales and services	24,747	28,642
Vazculep [Member]
Segment Reporting Information [Line Items]
Total product sales and services	9,406	3,524
Other Products [Member]
Segment Reporting Information [Line Items]
Total product sales and services	$ 1,200	$ 560