Condensed Consolidated Statements Of Operations - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Condensed Consolidated Statements Of Operations [Abstract]
Revenue	$ 2,824	$ 2,837
Cost of goods sold	2,257	2,221
Gross profit	567	616
Operating expenses:
Selling and marketing	615	554
General and administrative	658	539
Operating expenses	1,273	1,093
Loss from operations	(706)	(477)
Interest expense	(89)	(21)
Other income (expense), net	2	34
Loss before income taxes	(793)	(464)
Income tax expense, net	(3)	(5)
Net loss	$ (796)	$ (469)
Net loss per share - basic and diluted	$ (0.02)	$ (0.01)
Weighted average basic and diluted common shares outstanding	41,592,851	41,464,373