Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Revenue:
Total revenue	$ 26,520	$ 23,990
Cost of revenue:
Total cost of revenue	8,777	7,934
Gross profit	17,743	16,056
Operating expenses:
Sales and marketing	20,433	18,845
Research, development and engineering	17,542	17,314
General and administrative	19,634	12,710
Total operating expenses	57,609	48,869
Operating loss	(39,866)	(32,813)
Other income:
Gain on extinguishment of note payable	5,094
Other income (loss)	29	277
Other income, net	5,123	277
Loss before income taxes	(34,743)	(32,536)
Provision for income taxes	(16)	(1)
Net loss	(34,759)	(32,537)
Beneficial conversion feature		(11,443)
Net loss attributable to common shares	$ (34,759)	$ (43,980)
Earnings (loss) per common share:
Loss per common share — basic	$ (2.11)	$ (3.41)
Loss per common share — diluted	$ (2.11)	$ (3.41)
Weighted average common shares outstanding — basic	16,463	12,906
Weighted average common shares outstanding — diluted	16,463	12,906
Service [Member]
Revenue:
Total revenue	$ 15,006	$ 13,881
Cost of revenue:
Total cost of revenue	6,299	5,827
Subscription [Member]
Revenue:
Total revenue	11,514	10,109
Cost of revenue:
Total cost of revenue	$ 2,478	$ 2,107