Condensed 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)
Net income (loss)	0	0	(1,839)	0	(1,839)
Balance at Mar. 31, 2024	464	548,304	(551,784)	(5,168)	(8,184)
Balance at Dec. 31, 2024	849	551,591	(556,565)	0	(4,125)
Net income (loss)	0	0	(1,592)	0	(1,592)
Balance at Mar. 31, 2025	$ 849	$ 551,591	$ (558,157)	$ 0	$ (5,717)