Consolidated Statement of Stockholders' Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	AOCI Attributable to Parent [Member]	Total
BALANCE (in shares) at Dec. 31, 2023	9,348
BALANCE at Dec. 31, 2023	$ 9	$ 381,329	$ (305,948)	$ 75,390
Non-cash compensation recognized on stock options and employee stock purchase plan ("ESPP")	$ 0	9	0	9
Restricted stock grants, net of cancellations (in shares)	266
Restricted stock grants, net of cancellations	$ 1	2,263	0	2,264
Cancellation of shares for payment of withholding tax (in shares)	(55)
Cancellation of shares for payment of withholding tax	$ 0	(178)	0	(178)
Net loss	$ 0	0	(37,936)	(37,936)
BALANCE (in shares) at Jun. 30, 2024	10,625
BALANCE at Jun. 30, 2024	$ 11	386,775	(343,884)	42,902
ESPP shares issued (in shares)	1
ESPP shares issued	$ 0	2	0	2
Issuance of Common Stock, Warrants, and Pre-Funded Warrants in connection with Common Stock Offering, net of issuance costs (in shares)	1,065
Issuance of Common Stock, Warrants, and Pre-Funded Warrants in connection with Common Stock Offering, net of issuance costs	$ 1	3,350	0	3,351
BALANCE (in shares) at Mar. 31, 2024	9,602
BALANCE at Mar. 31, 2024	$ 10	382,387	(336,955)	45,442
Non-cash compensation recognized on stock options and employee stock purchase plan ("ESPP")	$ 0	4	0	4
Restricted stock grants, net of cancellations (in shares)	0
Restricted stock grants, net of cancellations	$ 0	1,133	0	1,133
Cancellation of shares for payment of withholding tax (in shares)	(42)
Cancellation of shares for payment of withholding tax	$ 0	(99)	0	(99)
Net loss	$ 0	0	(6,929)	(6,929)
BALANCE (in shares) at Jun. 30, 2024	10,625
BALANCE at Jun. 30, 2024	$ 11	386,775	(343,884)	42,902
Issuance of Common Stock, Warrants, and Pre-Funded Warrants in connection with Common Stock Offering, net of issuance costs (in shares)	1,065
Issuance of Common Stock, Warrants, and Pre-Funded Warrants in connection with Common Stock Offering, net of issuance costs	$ 1	3,350	0	3,351
BALANCE (in shares) at Dec. 31, 2024	17,673
BALANCE at Dec. 31, 2024	$ 18	395,383	(354,645)	40,756
Non-cash compensation recognized on stock options and employee stock purchase plan ("ESPP")	$ 0	11	0	11
Restricted stock grants, net of cancellations (in shares)	1,991
Restricted stock grants, net of cancellations	$ 1	2,170	0	2,171
Cancellation of shares for payment of withholding tax (in shares)	(285)
Cancellation of shares for payment of withholding tax	$ 0	(286)	0	(286)
Net loss	$ 0	0	(20,240)	(20,240)
BALANCE (in shares) at Jun. 30, 2025	19,382
BALANCE at Jun. 30, 2025	$ 19	397,280	(374,885)	22,414
ESPP shares issued (in shares)	3
ESPP shares issued	$ 0	2	0	2
BALANCE (in shares) at Mar. 31, 2025	19,459
BALANCE at Mar. 31, 2025	$ 19	396,366	(359,823)	36,562
Non-cash compensation recognized on stock options and employee stock purchase plan ("ESPP")	$ 0	5	0	5
Restricted stock grants, net of cancellations (in shares)	123
Restricted stock grants, net of cancellations	$ 0	1,090	0	1,090
Cancellation of shares for payment of withholding tax (in shares)	(200)
Cancellation of shares for payment of withholding tax	$ 0	(181)	0	(181)
Net loss	$ 0	0	(15,062)	(15,062)
BALANCE (in shares) at Jun. 30, 2025	19,382
BALANCE at Jun. 30, 2025	$ 19	$ 397,280	$ (374,885)	$ 22,414