Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Revenue:
Revenue	$ 1,066	$ 2,083
Cost of revenue:
Cost of revenue	1,823	3,112
Gross loss	(757)	(1,029)
Operating Expenses:
Research and development	6,428	4,215
Sales and marketing	3,719	3,053
General and administrative	5,533	3,992
Amortization of intangible assets	2,670	2,867
Change in fair value of contingent consideration	(154)	257
Total Operating Expenses	18,196	14,384
Operating Loss	(18,953)	(15,413)
Other Expense, net
Change in fair value of warrant liabilities	0	(1,981)
Interest income	255	52
Interest expense	(200)	(7)
Other expense, net	(146)	(29)
Total Other Expense, net	(91)	(1,965)
Loss before income taxes	(19,044)	(17,378)
Income tax (expense) benefit	(84)	38
Net loss	(19,128)	(17,340)
Comprehensive loss:
Net loss	(19,128)	(17,340)
Foreign currency translation loss	(650)	(1,938)
Unrealized loss on available-for-sale investments	(552)	0
Comprehensive loss	$ (20,330)	$ (19,278)
Net loss per common share attributable to common stockholders - basic and diluted (in dollars per share)	$ (0.08)	$ (0.08)
Weighted average number of shares used in computing net loss per common share - basic and diluted (in shares)	235,892	204,992
Product [Member]
Revenue:
Revenue	$ 347	$ 1,363
Cost of revenue:
Cost of revenue	375	1,675
Service [Member]
Revenue:
Revenue	308	379
Cost of revenue:
Cost of revenue	496	366
Lease [Member]
Revenue:
Revenue	411	341
Cost of revenue:
Cost of revenue	$ 952	$ 1,071