Consolidated Statements of Earnings (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Income Statement [Abstract]
Revenues	$ 21,064	$ 21,995	$ 41,957	$ 44,546
Cost of goods sold	16,876	16,415	32,848	33,885
Gross profit	4,188	5,580	9,109	10,661
Operating expenses
Selling, general and administrative	3,509	3,531	7,478	7,052
Foreign exchange (gain) loss	108	(14)	63	47
Total operating expenses	3,617	3,517	7,541	7,099
Operating income	571	2,063	1,568	3,562
Interest expense	129	183	266	368
Other expense		74	2	167
Earnings before income taxes	442	1,806	1,300	3,027
Provision for income taxes	140	544	408	852
Net earnings	$ 302	$ 1,262	$ 892	$ 2,175
Earnings per common share:
Basic	$ 0.04	$ 0.21	$ 0.12	$ 0.37
Diluted	$ 0.04	$ 0.21	$ 0.12	$ 0.37
Weighted average common shares outstanding:
Basic	7,172	5,907	7,172	5,907
Diluted	7,237	5,924	7,244	5,922