CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Net sales	$ 6,164	$ 5,682	$ 12,137	$ 11,625
Cost of goods sold	4,039	3,205	7,611	6,940
Gross profit	2,125	2,477	4,526	4,685
Operating expenses:
Selling	631	664	1,310	1,316
General and administrative	988	884	1,916	1,947
Research and development	644	694	1,272	1,387
Total Operating expenses	2,263	2,242	4,498	4,650
Earnings (loss) from operations	(138)	235	28	35
Other Expense - net	(93)	(90)	(373)	(178)
Change in derivative liability	0	(72)	(142)	(72)
Earnings (loss) before income taxes	(231)	73	(487)	(215)
Provision (benefit) for income taxes	0	0	0	0
Net earnings (loss)	$ (231)	$ 73	$ (487)	$ (215)
Basic and diluted net earnings (loss) per share	$ (0.03)	$ 0.01	$ (0.06)	$ (0.03)
Basic weighted averages shares outstanding	8,122	7,029	8,122	6,897
Diluted weighted average shares outstanding	8,122	7,036	8,122	6,897