STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
STATEMENTS OF OPERATIONS
Revenue	$ 5,788	$ 4,261
Cost of revenue	1,353	1,320
Gross profit	4,435	2,941
Operating expenses:
Selling and marketing	2,754	1,818
Research and development	1,032	333
General and administrative	3,410	2,432
Total operating expenses	7,196	4,583
Operating loss	(2,761)	(1,642)
Other income (expense):
Change in fair value of warrant liability	0	28
Interest expense	(4)	(50)
Total other income (expense)	(4)	(22)
Net loss	(2,765)	(1,664)
Dividends on Series A Convertible Preferred Stock	(11)	(13)
Net loss available to common stockholders	$ (2,776)	$ (1,677)
Net loss per common share-basic and diluted	$ (0.27)	$ (0.19)
Weighted average common shares outstanding-basic and diluted	10,457	8,877