Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Comprehensive Deficit
BALANCE, at beginning of period (in shares) at Dec. 31, 2022		7,025,000
BALANCE, at beginning of period at Dec. 31, 2022	$ 76,379	$ 7	$ 357,924	$ (281,552)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Non-cash compensation recognized on stock options and employee stock purchase plan ("ESPP")	30		30
Restricted stock grants, net of cancellations (in shares)		227,000
Restricted stock grants, net of cancellations	4,806		4,806
Cancellation of shares for payment of withholding tax (in shares)		(47,000)
Cancellation of shares for payment of withholding tax	(496)		(496)
ESPP shares issued (in shares)		2,000
ESPP shares issued	15		15
Common shares issued in settlement and prepayment of notes payable (in shares)		2,141,000
Common shares issued in settlement and prepayment of notes payable	19,052	$ 2	19,050
Net loss	$ (24,396)			(24,396)
BALANCE, at end of period (in shares) at Dec. 31, 2023	9,347,979	9,348,000
BALANCE, at end of period at Dec. 31, 2023	$ 75,390	$ 9	381,329	(305,948)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Non-cash compensation recognized on stock options and employee stock purchase plan ("ESPP")	19		19
Restricted stock grants, net of cancellations (in shares)		677,000
Restricted stock grants, net of cancellations	4,486		4,486
Cancellation of shares for payment of withholding tax (in shares)		(163,000)
Cancellation of shares for payment of withholding tax	(286)		(286)
ESPP shares issued (in shares)		5,000
ESPP shares issued	5		5
Issuance of Common Stock, Warrants, and Pre-Funded Warrants in connection with common stock offerings, net of issuance costs (in shares)		6,962,000
Issuance of Common Stock, Warrants, and Pre-Funded Warrants in connection with common stock offerings, net of issuance costs	9,839	$ 8	9,831
Issuance of Common Stock for Pre-Funded Warrants Exercise (in shares)		844,061
Issuance of Common Stock for Pre-Funded Warrants Exercise	0	$ 1	(1)
Net loss	$ (48,697)			(48,697)
BALANCE, at end of period (in shares) at Dec. 31, 2024	17,673,404	17,673,000
BALANCE, at end of period at Dec. 31, 2024	$ 40,756	$ 18	$ 395,383	$ (354,645)