Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	September 2021 ATM [Member] Common Stock Outstanding [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]	RA Capital Healthcare Fund 2024 [Member] Common Stock Outstanding [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]	Common Stock Outstanding [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, 2023											153,959,853
Balances at Dec. 31, 2023											$ 15	$ (366)	$ 467,731	$ (409,574)	$ (1)	$ 57,805
Balances (in shares) at Dec. 31, 2023												(507,020)
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)											429,690	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	(157,903)
Repurchase of common stock to satisfy tax withholding											$ 0	$ (182)	0	0	0	(182)
Stock-based compensation											0	0	4,116		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)
Issuance of common stock (in shares)	7,404,672	0				15,384,615	0
Issuance of common stock	$ 1	$ 0	$ 8,424	$ 0	$ 8,425	$ 2	$ 0	$ 9,943	$ 0	$ 9,945
Balances (in shares) at Mar. 31, 2024											177,187,695
Balances at Mar. 31, 2024											$ 18	$ (548)	490,221	(433,991)	(10)	55,690
Balances (in shares) at Mar. 31, 2024												(664,923)
Balances (in shares) at Dec. 31, 2024											228,203,822
Balances at Dec. 31, 2024											$ 23	$ (350)	535,770	(476,522)	4	$ 58,925
Balances (in shares) at Dec. 31, 2024												(429,547)				429,547
Issuance of common stock upon exercise of stock options (in shares)											3,625	0				3,625
Issuance of common stock upon exercise of stock options											$ 0	$ 0	3	0	0	$ 3
Release of common stock for vested restricted stock units (in shares)											718,282	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	(273,229)
Repurchase of common stock to satisfy tax withholding											$ 0	$ (167)	0	0	0	(167)
Stock-based compensation											0	0	2,459		0	2,459
Unrealized loss on available-for-sale investments											0	0	0	0	(11)	(11)
Net loss											$ 0	0	0	(15,591)	0	(15,591)
Balances (in shares) at Mar. 31, 2025											228,925,729
Balances at Mar. 31, 2025											$ 23	$ (517)	$ 538,232	$ (492,113)	$ (7)	$ 45,618
Balances (in shares) at Mar. 31, 2025												(702,776)				702,776