Consolidated Statements 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, 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	6	0	6
Restricted stock grants, net of cancellations (in shares)	1,868
Restricted stock grants, net of cancellations	$ 1	1,080	0	1,081
Cancellation of shares for payment of withholding tax (in shares)	(85)
Cancellation of shares for payment of withholding tax	$ 0	(105)	0	(105)
Net loss	$ 0	0	(5,178)	(5,178)
BALANCE (in shares) at Mar. 31, 2025	19,459
BALANCE at Mar. 31, 2025	$ 19	396,366	(359,823)	36,562
ESPP shares issued (in shares)	3
ESPP shares issued	$ 0	2	0	2
BALANCE (in shares) at Dec. 31, 2025	25,798
BALANCE at Dec. 31, 2025	$ 26	403,107	(384,743)	18,390
Non-cash compensation recognized on stock options and employee stock purchase plan ("ESPP")	$ 0	2	0	2
Restricted stock grants, net of cancellations (in shares)	92
Restricted stock grants, net of cancellations	$ 0	584	0	584
Cancellation of shares for payment of withholding tax (in shares)	(280)
Cancellation of shares for payment of withholding tax	$ 0	(154)	0	(154)
Debt discount for warrants issued	0	3,417	0	3,417
Net loss	$ 0	0	(3,897)	(3,897)
BALANCE (in shares) at Mar. 31, 2026	25,610
BALANCE at Mar. 31, 2026	$ 26	$ 406,956	$ (388,640)	$ 18,342