Unaudited Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Income Statement [Abstract]
Revenue	$ 1,852	$ 1,795
Cost of revenue	625	747
Gross profit	1,227	1,048
Operating expenses:
Sales and marketing	2,689	510
Research and development	1,469	753
General and administrative	973	256
Operating loss	(3,904)	(471)
Interest expense	(2)	(1)
Interest income	3	7
Net loss	(3,903)	(465)
Preferred stock dividend accrued	0	(33)
Net loss attributable to common stockholders	$ (3,903)	$ (498)
Net loss per share attributable to common stockholders:
Basic	$ (0.22)	$ (0.04)
Diluted	$ (0.22)	$ (0.04)
Weighted average common shares outstanding:
Basic	17,541	13,703
Diluted	17,541	13,703