CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Net sales	$ 5,704	$ 8,659	$ 15,729	$ 23,065
Cost of goods sold	4,931	5,173	12,040	14,347
Gross profit	773	3,486	3,689	8,718
Operating expenses:
Selling	776	807	2,392	2,500
General and administrative	1,003	1,161	3,085	3,631
Research and development	869	865	2,598	2,634
Total Operating expenses	2,648	2,833	8,075	8,765
Earnings (loss) from operations	(1,875)	653	(4,386)	(47)
Other Expense: Interest expense (net)	(83)	(69)	(249)	(183)
Earnings (loss) before income taxes	(1,958)	584	(4,635)	(230)
Provision (benefit) for income taxes	0	0	0	0
Net earnings (loss)	$ (1,958)	$ 584	$ (4,635)	$ (230)
Basic and diluted net earnings (loss) per share (in dollars per share)	$ (0.30)	$ 0.09	$ (0.72)	$ (0.04)
Basic weighted averages shares outstanding (in shares)	6,555	6,226	6,407	6,220
Diluted weighted average shares outstanding (in shares)	6,555	6,320	6,407	6,220