Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Current deferred tax assets:
Reserves and allowances not currently deductible	$ 0	$ 1,858
Other	0	77
Total current deferred tax assets	0	1,935
Noncurrent deferred tax assets:
Inventory reserve	838	0
Other reserves and allowances	2,993	0
Income tax basis in excess of financial statement basis in intangible assets	4,267	5,235
Deductible stock-based compensation	4,615	4,740
Net operating loss carryforward	8,667	10,984
Tax credit carryforwards	2,099	1,338
Total deferred tax assets, gross	23,479	22,297
Total noncurrent deferred tax assets	(6,500)	(1,604)
Total deferred tax assets	16,979	20,693
Total deferred tax assets	16,979	22,628
Total current deferred tax liability:
Prepaid & other expenses	0	(116)
Total current deferred tax liability	0	(116)
Noncurrent deferred tax liabilities:
Prepaid & other expenses	(867)	0
Fixed assets	(6,013)	(4,931)
Intangible assets	(22,411)	(21,825)
Total noncurrent deferred tax liabilities	(29,291)	(26,756)
Total deferred tax liabilities	29,291	26,872
Net deferred tax liability	(12,312)	(4,244)
Net current deferred tax asset	0	1,819
Net noncurrent deferred tax liability	$ (12,312)	$ (6,063)