Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Common Stock	Preferred Stock	Additional Paid-in Capital	Subscriptions Receivable	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)	Total
Beginning Balance at Dec. 31, 2020	$ 160		$ 546,422		$ (442,514)		$ 104,068
Beginning Balance (in shares) at Dec. 31, 2020	159,999,917
Increase (Decrease) in Stockholders' Equity
Stock-based compensation expense			1,111				1,111
Exercise of stock options			9				9
Exercise of stock options (in shares)	5,000
Issuance of stock	$ 1		2,791				2,792
Issuance of stock (in shares)	1,219,023
Issuance of common stock upon vesting of RSUs, net of shares withheld for employee taxes			(69)				(69)
Issuance of common stock upon vesting of RSUs, net of shares withheld for employee taxes (in shares)	49,720
Net loss					(9,842)		(9,842)
Ending Balance at Mar. 31, 2021	$ 161		550,264		(452,356)		98,069
Ending Balance (in shares) at Mar. 31, 2021	161,273,660
Beginning Balance at Dec. 31, 2020	$ 160		546,422		(442,514)		104,068
Beginning Balance (in shares) at Dec. 31, 2020	159,999,917
Increase (Decrease) in Stockholders' Equity
Net loss							(37,635)
Ending Balance at Sep. 30, 2021	$ 165		557,707	$ (8)	(480,149)		77,715
Ending Balance (in shares) at Sep. 30, 2021	164,518,213
Beginning Balance at Mar. 31, 2021	$ 161		550,264		(452,356)		98,069
Beginning Balance (in shares) at Mar. 31, 2021	161,273,660
Increase (Decrease) in Stockholders' Equity
Stock-based compensation expense			1,182				1,182
Exercise of stock options	$ 1		170				171
Exercise of stock options (in shares)	132,184
Issuance of stock	$ 3		5,153				5,156
Issuance of stock (in shares)	3,058,879
Issuance of common stock upon vesting of RSUs, net of shares withheld for employee taxes			(48)				(48)
Issuance of common stock upon vesting of RSUs, net of shares withheld for employee taxes (in shares)	44,115
Net loss					(14,022)		(14,022)
Ending Balance at Jun. 30, 2021	$ 165		556,721		(466,378)		90,508
Ending Balance (in shares) at Jun. 30, 2021	164,508,838
Increase (Decrease) in Stockholders' Equity
Stock-based compensation expense			978				978
Subscription receivable (in shares)	9,375
Issuance of common stock upon vesting of RSUs, net of shares withheld for employee taxes			8	(8)
Net loss					(13,771)		(13,771)
Ending Balance at Sep. 30, 2021	$ 165		557,707	(8)	(480,149)		77,715
Ending Balance (in shares) at Sep. 30, 2021	164,518,213
Beginning Balance at Dec. 31, 2021	$ 165		558,566		(494,102)		$ 64,629
Beginning Balance (in shares) at Dec. 31, 2021	165,520,007						165,520,007
Beginning Balance (in shares) at Dec. 31, 2021							0
Increase (Decrease) in Stockholders' Equity
Stock-based compensation expense			1,155				$ 1,155
Net loss					(16,389)		(16,389)
Ending Balance at Mar. 31, 2022	$ 165		559,721		(510,491)		49,395
Ending Balance (in shares) at Mar. 31, 2022	165,520,007
Beginning Balance at Dec. 31, 2021	$ 165		558,566		(494,102)		$ 64,629
Beginning Balance (in shares) at Dec. 31, 2021	165,520,007						165,520,007
Beginning Balance (in shares) at Dec. 31, 2021							0
Increase (Decrease) in Stockholders' Equity
Conversion of Preferred Stock to Common Stock							$ (396)
Net loss							(46,665)
Ending Balance at Sep. 30, 2022			562,485		(540,767)	$ (28)	$ 21,863
Ending Balance (in shares) at Sep. 30, 2022	173,686,168						173,686,168
Ending Balance (in shares) at Sep. 30, 2022	173,000						0
Beginning Balance at Mar. 31, 2022	$ 165		559,721		(510,491)		$ 49,395
Beginning Balance (in shares) at Mar. 31, 2022	165,520,007
Increase (Decrease) in Stockholders' Equity
Stock-based compensation expense			1,008				1,008
Issuance of common stock warrants in connection with loan payable			603				603
Issuance of common stock upon vesting of RSUs, net of shares withheld for employee taxes				(23)			(23)
Issuance of common stock upon vesting of RSUs, net of shares withheld for employee taxes (in shares)	161,078
Unrealized loss on marketable securities						(60)	(60)
Net loss					(14,981)		(14,981)
Ending Balance at Jun. 30, 2022	$ 165		561,332	(23)	(525,472)	(60)	35,942
Ending Balance (in shares) at Jun. 30, 2022	165,681,085
Increase (Decrease) in Stockholders' Equity
Stock-based compensation expense			764				764
Issuance of stock	$ 8	$ 397	389				397
Issuance of stock (in shares)	8,000,000	2,000
Issuance of common stock upon vesting of RSUs, net of shares withheld for employee taxes				$ 23			23
Issuance of common stock upon vesting of RSUs, net of shares withheld for employee taxes (in shares)	5,083
Conversion of Preferred Stock to Common Stock		$ (397)
Conversion of Preferred Stock to Common Stock (in shares)		(2,000)
Unrealized loss on marketable securities						32	32
Net loss					(15,295)		(15,295)
Ending Balance at Sep. 30, 2022			$ 562,485		$ (540,767)	$ (28)	$ 21,863
Ending Balance (in shares) at Sep. 30, 2022	173,686,168						173,686,168
Ending Balance (in shares) at Sep. 30, 2022	173,000						0