Company Operations by Product, Customer and Geographic Area (Details 1) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Segment Reporting Information [Line Items]
Total product sales and services	$ 36,216	$ 32,726
License and research revenue	863	0
Total revenues	35,353	32,726
wholesaler Customer [Member]
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
Customer A [Member] | wholesaler Customer [Member]
Segment Reporting Information [Line Items]
Total product sales and services	13,026	6,867
Customer B [Member] | wholesaler Customer [Member]
Segment Reporting Information [Line Items]
Total product sales and services	10,677	13,771
Customer C [Member] | wholesaler Customer [Member]
Segment Reporting Information [Line Items]
Total product sales and services	7,398	9,749
Other Customers [Member] | wholesaler Customer [Member]
Segment Reporting Information [Line Items]
Total product sales and services	$ 4,252	$ 2,339