Shareholders' Equity - Calculation of earning per share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Shareholders' Equity
Loss from continuing operations	$ (366)	$ (980)
Loss from discontinued operation, net of tax	(17)	(567)
Net loss	$ (383)	$ (1,547)
Weighted average common shares outstanding (basic)	2,490	2,460
Unvested restricted stock	29	24
Weighted average common shares outstanding (diluted)	2,519	2,484
Basic
Continuing operations	$ (0.15)	$ (0.40)
Discontinued operation	(0.01)	(0.23)
Basic earnings per share	(0.16)	(0.63)
Diluted
Continuing operations	(0.15)	(0.40)
Discontinued operation	(0.01)	(0.23)
Diluted earnings per share	$ (0.16)	$ (0.63)