Consolidated Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Consolidated Statements of Operations and Comprehensive Loss
Revenue	$ 3,507	$ 3,303	$ 7,233	$ 6,609
Cost of revenue (excluding amortization of intangible assets)	1,346	1,320	2,796	2,752
Amortization of intangible assets	76	76	152	152
Gross profit	2,085	1,907	4,285	3,705
Operating expenses:
Sales and marketing	4,123	3,947	9,392	7,942
General and administrative	2,149	1,205	4,667	2,529
Research and development	979	1,055	1,891	2,714
Total operating expenses	7,251	6,207	15,950	13,185
Loss from operations	(5,166)	(4,300)	(11,665)	(9,480)
Other (expense) income:
Interest expense	(884)	(914)	(1,763)	(1,826)
Change in fair value of preferred stock warrant liability		(74)		(38)
Other (expense) income	(31)	27	127	117
Total other (expense) income	(915)	(961)	(1,636)	(1,747)
Net loss	(6,081)	(5,261)	(13,301)	(11,227)
Accretion of redeemable convertible preferred stock to redemption value		(2,762)		(4,787)
Net loss attributable to common stockholders	$ (6,081)	$ (8,023)	$ (13,301)	$ (16,014)
Net loss per common share, basic and diluted	$ (0.53)	$ (27.06)	$ (1.16)	$ (54.06)
Weighted average common shares outstanding, basic and diluted	11,443,122	296,467	11,424,952	296,231
Comprehensive loss:
Net loss	$ (6,081)	$ (5,261)	$ (13,301)	$ (11,227)
Foreign currency translation adjustment	4	1	31	(3)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent, Total	$ (6,077)	$ (5,260)	$ (13,270)	$ (11,230)