Condensed Consolidated Statements Of Operations - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Condensed Consolidated Statements Of Operations [Abstract]
Revenue	$ 3,454	$ 3,648	$ 10,218	$ 11,116
Cost of goods sold	2,667	2,749	7,902	8,303
Gross profit	787	899	2,316	2,813
Operating expenses:
Selling and marketing	644	588	1,859	1,680
General and administrative	477	474	1,550	1,505
Operating expenses	1,121	1,062	3,409	3,185
Loss from operations	(334)	(163)	(1,093)	(372)
Interest expense	(87)	(22)	(185)	(57)
Other income (expense), net	2	(20)	42	(13)
Loss before income taxes	(419)	(205)	(1,236)	(442)
Income tax expense, net	(6)	(6)	(21)	(21)
Net loss	$ (425)	$ (211)	$ (1,257)	$ (463)
Net loss per share - basic and diluted	$ (0.01)	$ (0.01)	$ (0.03)	$ (0.01)
Weighted average basic and diluted common shares outstanding	41,464,373	41,449,373	41,464,373	41,409,512