Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - 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]	RA Capital Healthcare Fund 2024 [Member] Common Stock [Member]	RA Capital Healthcare Fund 2024 [Member] Treasury Stock, Common [Member]	RA Capital Healthcare Fund 2024 [Member] Additional Paid-in Capital [Member]	RA Capital Healthcare Fund 2024 [Member] Retained Earnings [Member]	RA Capital Healthcare Fund 2024 [Member] AOCI Attributable to Parent [Member]	RA Capital Healthcare Fund 2024 [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, 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
Issuance of common stock	$ 1	$ 0	$ 1,429	$ 0	$ 0	$ 1,430
Issuance of common stock upon exercise of stock options (in shares)																		0
Release of common stock for vested restricted stock units (in shares)													49,220	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)														(13,553)
Repurchase of common stock to satisfy tax withholding														$ (10)	0	0	0	(10)
Stock-based compensation													0	0	2,647	0	0	2,647
Unrealized loss on available-for-sale investments													0	0	0	0	229	229
Net loss													$ 0	$ 0	0	(25,140)	0	(25,140)
Balances (in shares) at Mar. 31, 2023													135,610,869	(13,553)
Balances at Mar. 31, 2023													$ 14	$ (10)	442,068	(352,249)	(70)	89,753
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
Issuance of common stock (in shares)	7,404,672	0					15,384,615	0				15,384,615
Issuance of common stock	$ 1	$ 0	$ 8,424	$ 0	$ 0	$ 8,425	$ 2	$ 0	$ 9,943	$ 0	$ 0	$ 9,945
Issuance of common stock upon exercise of stock options (in shares)													8,865	0				8,865
Issuance of common stock upon exercise of stock options													$ 0	$ 0	7	0	0	$ 7
Release of common stock for vested restricted stock units (in shares)													429,960	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)														(157,903)
Repurchase of common stock to satisfy tax withholding														$ (182)	0	0	0	(182)
Stock-based compensation													0	0	4,116	0	0	4,116
Unrealized loss on available-for-sale investments													0	0	0	0	(9)	(9)
Net loss													$ 0	$ 0	0	(24,417)	0	(24,417)
Balances (in shares) at Mar. 31, 2024													177,187,965	(664,923)
Balances at Mar. 31, 2024													$ 18	$ (548)	$ 490,221	$ (433,991)	$ (10)	$ 55,690