Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Deficit [Member]	Series X1 Non-voting Convertible Preferred Stock [Member]	Series X1 Non-voting Convertible Preferred Stock [Member] Common Stock [Member]	Series X Non Voting Convertible Preferred Stock
Balance as of December 31, 2019 at Dec. 31, 2019	$ 9,465	$ 1	$ 67,046	$ (57,582)
Balance as of December 31, 2019 at Dec. 31, 2019		720,408
Issuance of common stock in connection with PIPE transaction, net of issuance costs	8,550	$ 1	8,549
Issuance of preferred stock in connection with PIPE transaction, net of issuance costs, Shares		1,004,111
Issuance of common stock in connection with exercise of warrants, net of issuance costs	5,380		5,380
Issuance of common stock in connection with exercise of warrants, net of issuance costs, Shares		421,772
Issuance of common stock in connection with conversion of Series X preferred stock			(13)			$ 13
Issuance of common stock in connection with conversion of Series X preferred stock, Shares		210,888			(231,068)	12,837,056	(3,796)
Issuance of common stock in connection with vesting of restricted stock units		3,056
Issuance of preferred stock in connection with acquisition	1,194		1,194
Issuance of preferred stock in connection with acquisition		175,488
Cancellation of common stock in connection with exchange for preferred stock, Shares		(210,889)					3,796
Cancellation of common stock in connection with reverse split	(25)		(25)
Cancellation of common stock in connection with reverse split, Shares		(1,493)
Issuance of preferred stock in connection with acquisition	69,723		69,723
Issuance of preferred stock in connection with acquisition,shares					140,026
Issuance of preferred stock in connection with PIPE transaction, net of issuance costs	95,226		95,226
Issuance of preferred stock in connection with PIPE transaction, net of issuance costs, shares					199,112
Fair value of options assumed in acquisition	2,950		2,950
Fair value of warrants assumed in acquisition	12,944		12,944
Warrant inducement expense	4,829		4,829
Stock-based compensation	3,171		3,171
Net loss and other comprehensive loss	(22,811)			(22,811)
Ending Balance at Dec. 31, 2020	190,596	$ 15	270,974	(80,393)
Temporary Equity, Ending Balance, Shares at Dec. 31, 2020					108,070
Ending Balance, Shares at Dec. 31, 2020		15,160,397
Cancellation of common stock in connection with exchange for preferred stock, Shares		(344,666)					6,204
Cancellation of common stock in connection with exchange for warrants		$ (1)	1
Cancellation of common stock in connection with exchange for warrants, Shares		(509,117)
Stock-based compensation	7,904		7,904
Stock options exercised	$ 1		1
Stock options exercised, Shares	174	174
Net loss and other comprehensive loss	$ (34,506)			(34,506)
Ending Balance at Dec. 31, 2021	$ 163,995	$ 14	$ 278,880	$ (114,899)
Temporary Equity, Ending Balance, Shares at Dec. 31, 2021					108,070
Ending Balance, Shares at Dec. 31, 2021		14,306,788					6,204
Temporary Equity, Beginning Balance, Shares at Dec. 31, 2020					108,070