CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
CONSOLIDATED STATEMENTS OF OPERATIONS [Abstract]
Revenues, net	$ 31,586	$ 29,855
Cost of revenues	11,316	12,735
Gross profit	20,270	17,120
Operating expenses:
Engineering and product development	1,002	1,065
Selling and marketing	12,003	10,624
General and administrative	10,275	8,786
Total operating expenses	23,280	20,475
Loss from operations	(3,010)	(3,355)
Other (expense) income, net:
Interest expense, net	(515)	(1,142)
Loss on extinguishment of debt	(414)	0
Other income, net	0	200
Other (expense) income, net	(929)	(942)
Income (loss) before income taxes	(3,939)	(4,297)
Income tax benefit	149	264
Net loss	(3,790)	(4,033)
Loss attributable to common shares	(3,597)	(2,909)
Loss attributable to Preferred Series C shares	$ (193)	$ (1,124)
Loss per common share
Basic (in dollars per share)	$ (0.11)	$ (0.15)
Diluted (in dollars per share)	$ (0.11)	$ (0.15)
Shares used in computing loss per common share:
Basic (in shares)	31,978,665	19,589,031
Diluted (in shares)	31,978,665	19,589,031
Loss per Preferred Series C share - basic and diluted (in dollars per share)	$ (42.24)	$ (55.20)
Shares used in computing loss per basic and diluted Preferred Series C Shares (in shares)	4,577	20,368