CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (DEFICIT) (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income (Loss)	Accumulated Deficit
Beginning balance at Dec. 31, 2021	$ 66,667	$ 26	$ 443,358	$ 26	$ (376,743)
Beginning balance, shares at Dec. 31, 2021		26,126,253
Issuance of common stock upon exercise of options	12		12
Issuance of common stock upon exercise of options, shares		1,227
Issuance of common stock with restricted stock units and awards	10		10
Issuance of common stock with restricted stock units and awards, shares		60,488
Issuance of common stock for services	76		76
Issuance of common stock for services, shares		3,683
Issuance of common stock to satisfy contingent and consideration	5,630	$ 1	5,629
Issuance of common stock to satisfy contingent and consideration, shares		368,168
Issuance of common stock warrants	1,157		1,157
Stock-based compensation expense	3,370		3,370
Foreign currency translation adjustment	(55)			(55)
Net loss	(22,938)				(22,938)
Ending balance at Mar. 31, 2022	53,929	$ 27	453,612	(29)	(399,681)
Ending balance, shares at Mar. 31, 2022		26,559,819
Beginning balance at Dec. 31, 2022	(28,190)	$ 29	461,940	(157)	(490,002)
Beginning balance, shares at Dec. 31, 2022		28,516,047
Issuance of common stock and pre-funded warrants and accompanying warrants in private placement, net	20,943	$ 17	20,926
Issuance of common stock and pre-funded warrants and accompanying warrants in private placement, net, Shares		17,502,244
Issuance of common stock upon exercise of options, shares		228
Issuance of common stock with restricted stock units and awards, shares		175,732
Issuance of common stock for services	59		59
Issuance of common stock for services, shares		21,687
Issuance of common stock warrants	28		28
Stock-based compensation expense	2,761		2,761
Foreign currency translation adjustment	135			135
Net loss	(18,090)				(18,090)
Ending balance at Mar. 31, 2023	$ (22,354)	$ 46	$ 485,714	$ (22)	$ (508,092)
Ending balance, shares at Mar. 31, 2023		46,215,938