Consolidated Statements of Changes in Stockholders' Equity (Deficit) - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Treasury Stock [Member]	Total
Balance at Dec. 31, 2023	$ 464	$ 548,304	$ (549,945)	$ (5,168)	$ (6,345)
Sale of common stock Equity Offering	385	3,287	0		8,840
Sale of common stock Equity Offering				5,168
Net income (loss)	0	(6,620)	0	0	(6,620)
Balance at Dec. 31, 2024	849	551,591	(556,565)	0	(4,125)
Net income (loss)	0	0	(4,560)	0	(4,560)
Balance at Dec. 31, 2025	$ 849	$ 551,591	$ (561,125)	$ 0	$ (8,685)