Condensed Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in-Capital [Member]	Accumulated Deficit [Member]	Total
Beginning balance at Dec. 31, 2022	$ 35	$ 249,024	$ (227,228)	$ 21,831
Beginning balance (in shares) at Dec. 31, 2022	34,723,046
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense	$ 0	325	0	325
Issuance of restricted stock	$ 0	0	0	0
Issuance of restricted stock (in shares)	158,407
Net loss	$ 0	0	(2,835)	(2,835)
Ending balance at Mar. 31, 2023	$ 35	249,349	(230,063)	19,321
Ending balance (in shares) at Mar. 31, 2023	34,881,453
Beginning balance at Dec. 31, 2023	$ 35	250,711	(238,058)	12,688
Beginning balance (in shares) at Dec. 31, 2023	35,060,920
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense	$ 0	112	0	112
Net loss	0	0	(3,368)	(3,368)
Ending balance at Mar. 31, 2024	$ 35	$ 250,823	$ (241,426)	$ 9,432
Ending balance (in shares) at Mar. 31, 2024	35,060,920