Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Income Statement [Abstract]
Sales, net	$ 12,069	$ 8,577
Expenses
Cost of products	8,240	4,894
Selling, general and administrative	3,063	2,943
Total expenses	11,303	7,837
Operating income	766	740
Other income:
Interest income	1	0
Other income	1	3
Total other income	2	3
Income before income taxes	768	743
Income tax expense	(255)	(205)
Net income	$ 513	$ 538
Net earnings per share-basic:	$ 0.04	$ 0.04
Net earnings per share-diluted:	$ 0.04	$ 0.04
Weighted average shares outstanding-basic	13,730,562	13,671,436
Weighted average shares outstanding-diluted	13,798,191	13,857,207