Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Income Statement [Abstract]
Net sales (Note 2)	$ 2,191	$ 1,797	$ 8,051	$ 7,968
Cost of sales (Note 2)	1,184	1,005	3,382	3,196
Gross profit	1,007	792	4,669	4,772
Operating expenses:
Sales and marketing	710	852	3,522	3,849
Administration	1,591	2,804	3,612	4,311
Research and development	272	273	480	551
Total operating expense	2,573	3,929	7,614	8,711
Loss from operations	$ (1,566)	(3,137)	(2,945)	(3,939)
Interest expense, net		(1)	(1)	(3)
Loss before income tax	$ (1,566)	$ (3,138)	$ (2,946)	$ (3,942)
Income tax (Note 4)
Net loss	$ (1,566)	$ (3,138)	$ (2,946)	$ (3,942)
Basic and diluted loss per share:
Net loss	$ (0.10)	$ (0.19)	$ (0.18)	$ (0.24)
Weighted average common shares outstanding:
Basic and diluted	16,020	16,944	15,956	16,709