Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Revenue:
Revenue	$ 2,563	$ 2,571	$ 4,623	$ 5,756
Cost of revenue:
Cost of revenue	4,404	3,350	8,574	8,809
Gross loss	(1,841)	(779)	(3,951)	(3,053)
Operating Expenses:
Research and development	6,741	4,469	20,422	12,773
Sales and marketing	3,615	3,551	10,936	10,166
General and administrative	4,853	5,557	15,378	13,397
Amortization of intangible assets	2,398	2,804	7,601	8,533
Change in fair value of contingent consideration	(416)	278	(1,168)	1,013
Property and equipment impairment	0	0	432	0
Total Operating Expenses	17,191	16,659	53,601	45,882
Operating Loss	(19,032)	(17,438)	(57,552)	(48,935)
Other Income (Expense), net
Gain on extinguishment of debt	0	0	0	2,847
Change in fair value of warrant liabilities	0	0	0	(1,981)
Interest income	291	122	806	253
Interest expense	(99)	(65)	(440)	(77)
Employee retention tax credit	0	1,311	0	1,311
Other (expense) income, net	(29)	33	(261)	(3)
Total Other Income (Expense), net	163	1,401	105	2,350
Loss before income taxes	(18,869)	(16,037)	(57,447)	(46,585)
Income tax (expense) benefit	(55)	(32)	(224)	4
Net loss	(18,924)	(16,069)	(57,671)	(46,581)
Comprehensive loss:
Net loss	(18,924)	(16,069)	(57,671)	(46,581)
Foreign currency translation loss	(1,655)	(931)	(4,018)	(2,397)
Unrealized gain (loss) on available-for-sale investments	86	(53)	(610)	(53)
Comprehensive loss	$ (20,493)	$ (17,053)	$ (62,299)	$ (49,031)
Net loss per common share attributable to common stockholders - basic and diluted (in dollars per share)	$ (0.08)	$ (0.07)	$ (0.24)	$ (0.21)
Weighted average number of shares used in computing net loss per common share - basic and diluted (in shares)	236,713	234,337	236,373	224,300
Product [Member]
Revenue:
Revenue	$ 1,964	$ 1,922	$ 2,565	$ 3,651
Cost of revenue:
Cost of revenue	3,057	1,993	4,316	4,671
Service [Member]
Revenue:
Revenue	335	395	1,067	1,180
Cost of revenue:
Cost of revenue	365	342	1,506	1,344
Lease [Member]
Revenue:
Revenue	264	254	991	925
Cost of revenue:
Cost of revenue	$ 982	$ 1,015	$ 2,752	$ 2,794