Consolidated Statements of Operations - Unaudited (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Income Statement [Abstract]
Net sales	$ 21,381	$ 21,577
Cost of sales	15,602	15,342
Gross profit	5,779	6,235
Selling, general and administrative expense	7,416	7,961
Loss from operations	(1,637)	(1,726)
Interest expense	(257)	(160)
Other income	206	353
Loss before income taxes	(1,688)	(1,533)
Tax benefit	(22)	(1)
Net loss	$ (1,666)	$ (1,532)
Net loss per common share:
Basic	$ (0.25)	$ (0.23)
Diluted	$ (0.25)	$ (0.23)
Weighted average shares outstanding:
Basic	6,603	6,611
Diluted	6,603	6,611