Acquisition Of PC Werth (Narrative) (Details) - USD ($) $ in Thousands		2 Months Ended	12 Months Ended
	Nov. 03, 2015	Dec. 31, 2015	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Business Acquisition [Line Items]
Sales, net			$ 69,739	$ 68,303	$ 52,961
Net income (loss)			2,228	2,248	$ (6,162)
PC Werth Ltd [Member]
Business Acquisition [Line Items]
Purchase price	$ 197
Assumed payables	$ 393
Sales, net		$ 414
Net income (loss)		265
Unaudited proforma revenues			73,900	$ 73,500
Acquisition costs		$ 143	$ 143