Accrued Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Accrued Liabilities [Abstract]
Accrued sales and marketing expenses	$ 8,511	$ 5,383
Accrued taxes, tax reserves and interest	4,323	5,208
Accrued compensation and benefits	4,341	4,176
Accrued SEC settlement loss (Notes 18 and 22)	12,826	2,000
Accrued professional fees	1,130	1,819
Accrued license fee		1,000
Accrued manufacturing costs	444	95
Other	576	855
Total	$ 32,151	$ 20,536