Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Rights Offering Warrants [Member] Common Stock [Member]	Rights Offering Warrants [Member] Additional Paid-in Capital [Member]	Rights Offering Warrants [Member] Retained Earnings [Member]	Rights Offering Warrants [Member]	Rights Offering [Member] Common Stock [Member]	Rights Offering [Member] Additional Paid-in Capital [Member]	Rights Offering [Member] Retained Earnings [Member]	Rights Offering [Member]	ATM Offering [Member] Common Stock [Member]	ATM Offering [Member] Additional Paid-in Capital [Member]	ATM Offering [Member] Retained Earnings [Member]	ATM Offering [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Total
Balance (in shares) at Dec. 31, 2023													55,144
Balance at Dec. 31, 2023													$ 55	$ 381,220	$ (336,915)	$ 44,360
Issuance of common stock upon exercise of stock options (in shares)													111
Issuance of common stock upon exercise of stock options													$ 0	498	0	498
Issuance of common stock under employee stock purchase plan (in shares)													118
Issuance of common stock under employee stock purchase plan													$ 0	478	0	478
Issuance of common stock pursuant to warrant exercise (in shares)													142
Issuance of common stock pursuant to warrant exercise													$ 1	1,565	0	1,566
Stock-based compensation expense													0	6,793	0	6,793
Net loss													$ 0	0	(34,200)	(34,200)
Balance (in shares) at Sep. 30, 2024													61,516
Balance at Sep. 30, 2024													$ 62	450,184	(371,115)	79,131
Issuance of shares (in shares)					6,000				1
Issuance of shares					$ 6	$ 59,630	$ 0	$ 59,636	$ 0	$ 0	$ 0	$ 0
Issuance of equity-classified subscription rights as part of rights offering (Note 6)													0	47,700	0	47,700
Rights offering deemed pro-rata distribution to shareholders (Note 6)													$ 0	(47,700)	0	(47,700)
Balance (in shares) at Jun. 30, 2024													55,228
Balance at Jun. 30, 2024													$ 55	385,349	(358,435)	26,969
Issuance of common stock upon exercise of stock options (in shares)													105
Issuance of common stock upon exercise of stock options													$ 0	476	0	476
Issuance of common stock under employee stock purchase plan (in shares)													40
Issuance of common stock under employee stock purchase plan													$ 0	182	0	182
Issuance of common stock pursuant to warrant exercise (in shares)													142
Issuance of common stock pursuant to warrant exercise													$ 1	1,565	0	1,566
Stock-based compensation expense													0	2,982	0	2,982
Net loss													$ 0	0	(12,680)	(12,680)
Balance (in shares) at Sep. 30, 2024													61,516
Balance at Sep. 30, 2024													$ 62	450,184	(371,115)	79,131
Issuance of shares (in shares)					6,000				1
Issuance of shares					$ 6	$ 59,630	$ 0	$ 59,636	$ 0	$ 0	$ 0	$ 0
Balance (in shares) at Dec. 31, 2024													65,926
Balance at Dec. 31, 2024													$ 66	505,296	(390,500)	114,862
Issuance of common stock upon exercise of stock options (in shares)													493
Issuance of common stock upon exercise of stock options													$ 1	2,099	0	2,100
Issuance of common stock under employee stock purchase plan (in shares)													45
Issuance of common stock under employee stock purchase plan													$ 0	593	0	593
Issuance of common stock pursuant to warrant exercise (in shares)	1,274
Issuance of common stock pursuant to warrant exercise	$ 1	$ 13,999	$ 0	$ 14,000
Stock-based compensation expense													0	16,487	0	16,487
Net loss													$ 0	0	(55,348)	(55,348)
Balance (in shares) at Sep. 30, 2025													67,738
Balance at Sep. 30, 2025													$ 68	538,474	(445,848)	92,694
Rights offering deemed pro-rata distribution to shareholders (Note 6)																0
Balance (in shares) at Jun. 30, 2025													67,278
Balance at Jun. 30, 2025													$ 67	530,883	(426,463)	104,487
Issuance of common stock upon exercise of stock options (in shares)													439
Issuance of common stock upon exercise of stock options													$ 1	1,707	0	1,708
Issuance of common stock under employee stock purchase plan (in shares)													19
Issuance of common stock under employee stock purchase plan													$ 0	241	0	241
Issuance of common stock pursuant to warrant exercise (in shares)	2
Issuance of common stock pursuant to warrant exercise	$ 0	$ 25	$ 0	$ 25
Stock-based compensation expense													0	5,618	0	5,618
Net loss													$ 0	0	(19,385)	(19,385)
Balance (in shares) at Sep. 30, 2025													67,738
Balance at Sep. 30, 2025													$ 68	$ 538,474	$ (445,848)	$ 92,694