Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Condensed Consolidated Statements of Operations [Abstract]
Revenues, net	$ 9,105	$ 7,382	$ 16,146	$ 13,209
Cost of revenues	4,112	2,621	7,025	4,735
Gross profit	4,993	4,761	9,121	8,474
Operating expenses:
Engineering and product development	209	403	372	787
Selling and marketing	4,146	3,160	7,762	6,092
General and administrative	2,332	2,121	4,984	4,910
Total operating expenses	6,687	5,684	13,118	11,789
Loss from operations	(1,694)	(923)	(3,997)	(3,315)
Other income (expense):
Gain on debt extinguishment	0	2,028	0	2,028
Interest expense	(208)	(26)	(407)	(56)
Interest income	10	7	10	15
Other income (expense), net	(198)	2,009	(397)	1,987
(Loss) income before income taxes	(1,892)	1,086	(4,394)	(1,328)
Income tax expense	0	(4)	0	(8)
Net (loss) income	$ (1,892)	$ 1,082	$ (4,394)	$ (1,336)
Net (loss) earnings per share of common stock:
Basic (in dollars per share)	$ (0.05)	$ 0.03	$ (0.13)	$ (0.04)
Diluted (in dollars per share)	$ (0.05)	$ 0.03	$ (0.13)	$ (0.04)
Weighted average shares of common stock outstanding:
Basic (in shares)	34,723,046	33,876,568	34,701,267	33,839,554
Diluted (in shares)	34,723,046	34,318,495	34,701,267	33,839,554