CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Revenues, net	$ 7,711	$ 5,613	$ 20,920	$ 16,373
Cost of revenues	2,335	2,383	7,070	6,780
Gross profit	5,376	3,230	13,850	9,593
Operating expenses:
Engineering and product development	371	411	1,158	950
Selling and marketing	3,295	2,051	9,387	6,446
General and administrative	2,175	1,929	7,085	5,921
Total operating expenses	5,841	4,391	17,630	13,317
Income (loss) from operations	(465)	(1,161)	(3,780)	(3,724)
Other income (expense), net:
Gain on forgiveness of debt			2,028	0
Interest expense, net	(52)	(21)	(93)	(38)
Other (expense) income, net			1,935	(38)
Income (loss) before income taxes	(517)	(1,182)	(1,845)	(3,762)
Income tax expense	(4)	(72)	(12)	(207)
Net loss	$ (521)	$ (1,254)	(1,857)	(3,969)
Common Shares [Member]
Other income (expense), net:
Net loss			$ (1,857)	$ (3,947)
Loss per share - basic (in dollars per share)	$ (0.02)	$ (0.04)	$ (0.05)	$ (0.12)
Loss per share - diluted (in dollars per share)	$ (0.02)	$ (0.04)	$ (0.05)	$ (0.12)
Weighted average shares outstanding - basic (in shares)	34,150,438	33,754,909	33,944,321	33,551,070
Weighted average shares outstanding - diluted (in shares)	34,150,438	33,754,909	33,944,321	33,551,070
Preferred Series C Shares [Member]
Other income (expense), net:
Net loss			$ 0	$ (22)
Loss per share - basic (in dollars per share)			$ 0	$ (43.73)
Loss per share - diluted (in dollars per share)			$ 0	$ (43.73)
Weighted average shares outstanding - basic (in shares)			0	491
Weighted average shares outstanding - diluted (in shares)			0	491