Consolidated Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Consolidated Statements of Operations and Comprehensive Loss
Revenue	$ 7,558	$ 3,507	$ 13,435	$ 7,233
Cost of revenue (excluding amortization of intangible assets)	2,395	1,346	4,731	2,796
Amortization of intangible assets	76	76	152	152
Gross profit	5,087	2,085	8,552	4,285
Operating expenses:
Sales and marketing	7,502	4,123	13,801	9,392
General and administrative	2,966	2,149	5,722	4,667
Research and development	1,930	979	3,609	1,891
Total operating expenses	12,398	7,251	23,132	15,950
Loss from operations	(7,311)	(5,166)	(14,580)	(11,665)
Other (expense) income:
Interest expense	(864)	(884)	(1,753)	(1,763)
Other (expense) income	(80)	(31)	(58)	127
Total other expense	(944)	(915)	(1,811)	(1,636)
Net loss	$ (8,255)	$ (6,081)	$ (16,391)	$ (13,301)
Net loss per common share, basic and diluted	$ (0.57)	$ (0.53)	$ (1.13)	$ (1.16)
Weighted average common shares outstanding, basic and diluted	14,458,911	11,443,122	14,448,715	11,424,952
Comprehensive loss:
Net loss	$ (8,255)	$ (6,081)	$ (16,391)	$ (13,301)
Foreign currency translation adjustment	1	4	(10)	31
Comprehensive loss	$ (8,254)	$ (6,077)	$ (16,401)	$ (13,270)