Detail of Selected Balance Sheet Accounts (Details 4) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Customer advances	$ 169	$ 62
Customer rebates	3,166	5,145
Payroll, commissions, and bonuses	1,148	2,349
Accrued inventory purchases	1,800	2,778
Other	3,285	2,770
Total	$ 9,568	$ 13,104