Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Income Statement [Abstract]
Sales, net	$ 7,606	$ 8,670	$ 22,773	$ 25,552
Expenses
Cost of products	4,120	4,881	13,217	14,739
Selling, general and administrative	3,186	2,756	8,407	8,141
Total expenses	7,306	7,637	21,624	22,880
Operating income	300	1,033	1,149	2,672
Other income (expense)
Net interest income	1	0	1	1
Other (expense) income	(4)	3	37	(7)
Total other income (expense)	(3)	3	38	(6)
Income before income taxes	297	1,036	1,187	2,666
Income tax expense	(85)	(380)	(358)	(864)
Net income	$ 212	$ 656	$ 829	$ 1,802
Net earnings per share-basic:	$ 0.02	$ 0.05	$ 0.06	$ 0.13
Net earnings per share-diluted:	$ 0.02	$ 0.05	$ 0.06	$ 0.13
Weighted average shares outstanding-basic	13,718,396	13,655,988	13,699,355	13,641,520
Weighted average shares outstanding-diluted	13,794,276	13,781,534	13,857,746	13,741,750