Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	September 2021 ATM [Member] Common Stock [Member]	September 2021 ATM [Member] Treasury Stock, Common [Member]	September 2021 ATM [Member] Additional Paid-in Capital [Member]	September 2021 ATM [Member] Retained Earnings [Member]	September 2021 ATM [Member] AOCI Attributable to Parent [Member]	September 2021 ATM [Member]	The 2023 Shelf Registration [Member] Common Stock [Member]	The 2023 Shelf Registration [Member] Treasury Stock, Common [Member]	The 2023 Shelf Registration [Member] Additional Paid-in Capital [Member]	The 2023 Shelf Registration [Member] Retained Earnings [Member]	The 2023 Shelf Registration [Member] AOCI Attributable to Parent [Member]	The 2023 Shelf Registration [Member]	Common Stock [Member]	Treasury Stock, Common [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balances (in shares) at Dec. 31, 2021													125,594,393	0
Balances at Dec. 31, 2021													$ 13	$ 0	$ 406,943	$ (219,351)	$ (74)	$ 187,531
Issuance of common stock (in shares)	8,419,700	0
Issuance of common stock	$ 0	$ 0	$ 17,237	$ 0	$ 0	$ 17,237
Issuance of common stock upon exercise of common stock warrants (in shares)													5,000	0
Issuance of common stock upon exercise of common stock warrants													$ 0	$ 0	2	0	0	$ 2
Issuance of common stock upon exercise of options (in shares)													180,336	0				180,336
Issuance of common stock upon exercise of options													$ 0	$ 0	223	0	0	$ 223
Stock-based compensation													0	0	13,587	0	0	13,587
Unrealized loss on available-for-sale investments													0	0	0	0	(225)	(225)
Net loss													$ 0	$ 0	0	(107,758)	0	(107,758)
Balances (in shares) at Dec. 31, 2022													134,199,429	0
Balances at Dec. 31, 2022													$ 13	$ 0	437,992	(327,109)	(299)	$ 110,597
Issuance of common stock (in shares)	1,362,220	0				9,781,920	16,000,000	0
Issuance of common stock	$ 1	$ 0	$ 1,429	$ 0	$ 0	$ 1,430	$ 1	$ 0	$ 13,599	$ 0	$ 0	$ 13,600
Issuance of common stock upon exercise of options (in shares)													54,720	0				54,720
Issuance of common stock upon exercise of options													$ 0	$ 0	17	0	0	$ 17
Stock-based compensation													0	0	14,132	0	0	14,132
Unrealized loss on available-for-sale investments													0	0	0	0	298	298
Net loss													$ 0	$ 0	0	(82,465)	0	(82,465)
Issuance of common stock under ESPP (in shares)													734,675	0
Issuance of common stock under ESPP													$ 0	$ 0	562	0	0	562
Release of common stock for vested restricted stock units (in shares)													1,608,809	0
Release of common stock for vested restricted stock units													$ 0	$ 0	0	0	0	0
Repurchase of common stock to satisfy tax withholding (in shares)													0	(507,020)
Repurchase of common stock to satisfy tax withholding													$ 0	$ (366)	0	0	0	(366)
Balances (in shares) at Dec. 31, 2023													153,959,853	(507,020)
Balances at Dec. 31, 2023													$ 15	$ (366)	$ 467,731	$ (409,574)	$ (1)	$ 57,805