Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Income Statement [Abstract]
Sales, net	$ 29,722	$ 30,971
Expenses
Cost of products	17,440	17,784
Selling, general and administrative	10,852	10,659
Total expenses	28,292	28,443
Operating income	1,430	2,528
Other (expense) income:
Interest expense	0	0
Interest income	1	1
Other (expense) income	(45)	(6)
Total other expense	(44)	(5)
Income before income taxes	1,386	2,523
Income tax expense	(345)	(900)
Net income	$ 1,041	$ 1,623
Net income per share-basic:	$ .08	$ 0.12
Net income per share-diluted:	$ .08	$ 0.12
Weighted average shares outstanding-basic	13,706	13,647
Weighted average shares outstanding-diluted	13,848	13,755