Shareholders' Equity - Calculation of earning per share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Shareholders' Equity
Common shares that could potentially dilute basic earnings per share	24,110	27,010
Loss from continuing operations	$ (3,547)	$ (2,100)
Loss from discontinued operation, net of tax	(7,240)	(17)
Net loss	$ (10,787)	$ (2,117)
Weighted average common shares outstanding (basic)	2,470,000	2,422,000
Unvested restricted stock	24,000	27,000
Weighted average common shares outstanding (diluted)	2,494,000	2,449,000
Basic
Continuing operations	$ (1.44)	$ (0.87)
Discontinued operation	(2.93)	(0.01)
Basic earnings per share	(4.37)	(0.88)
Diluted
Continuing operations	(1.44)	(0.87)
Discontinued operation	(2.93)	(0.01)
Diluted earnings per share	$ (4.37)	$ (0.88)