Consolidated Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Consolidated Statements of Operations and Comprehensive Loss
Revenue	$ 7,654	$ 5,313	$ 21,089	$ 12,546
Cost of revenue (excluding amortization of intangible assets)	2,976	1,950	7,707	4,746
Amortization of intangible assets	76	76	228	228
Gross profit	4,602	3,287	13,154	7,572
Operating expenses:
Sales and marketing	6,948	6,342	20,749	15,734
General and administrative	3,462	2,607	9,184	7,274
Research and development	1,409	1,201	5,018	3,092
Total operating expenses	11,819	10,150	34,951	26,100
Loss from operations	(7,217)	(6,863)	(21,797)	(18,528)
Other (expense) income:
Interest expense	(922)	(898)	(2,675)	(2,661)
Other (expense) income	(127)	58	(185)	185
Total other expense	(1,049)	(840)	(2,860)	(2,476)
Net loss	$ (8,266)	$ (7,703)	$ (24,657)	$ (21,004)
Net loss per common share, basic and diluted	$ (0.57)	$ (0.53)	$ (1.71)	$ (1.69)
Weighted average common shares outstanding, basic and diluted	14,485,688	14,421,990	14,461,174	12,431,257
Comprehensive loss:
Net loss	$ (8,266)	$ (7,703)	$ (24,657)	$ (21,004)
Foreign currency translation adjustment	38	(29)	28	2
Comprehensive loss	$ (8,228)	$ (7,732)	$ (24,629)	$ (21,002)