Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Tax Cuts And Jobs Act Of 2017, Incomplete Accounting, Provisional Income Tax Expense (Benefit)	$ 900
Deferred tax assets:
Inventory reserve	992	$ 700
Other reserves and allowances	3,470	370
Income tax basis in excess of financial statement basis in intangible assets	1,085	1,669
Deductible stock-based compensation	3,257	3,687
Net operating loss carryforward	18,836	13,669
Tax credit carryforwards	500	428
Total deferred tax assets, gross	28,140	20,523
Total deferred tax assets	(13,946)	(10,711)
Total deferred tax assets	14,194	9,812
Deferred tax liabilities:
Prepaid & other expenses	(284)	(265)
Fixed assets	(4,826)	(4,946)
Intangible assets	(16,067)	(15,953)
Total deferred tax liabilities	(21,177)	(21,164)
Net deferred tax liability (as restated)	$ (6,983)	$ (11,352)