Income Taxes (Details 2) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Current deferred tax assets (liabilities):
Accrued expenses	$ 22	$ 114
Accounts receivable	730	1,185
Inventory	32	1,603
Prepaid expenses		(90)
Stock based compensation	23	23
Other	9	9
Gross current deferred tax assets	816	2,844
Less: Valuation allowance	(816)	(2,844)
Long-term deferred tax assets (liabilities):
Amortization	115	125
Property and equipment	(293)	(553)
Tax credits and NOL carryforward	4,482	1,644
Net long-term deferred tax liabilities	4,304	1,216
Less: valuation allowance	$ (4,304)	$ (1,216)