Shareholders' Equity - Calculation of earning per share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2023	Sep. 30, 2022
Shareholders' Equity
Income/(loss) from continuing operations	$ 182			$ (587)			$ (3,926)	$ (928)
(Loss)/income from discontinued operation	(386)			271			(7,326)	127
Net loss	$ (204)	$ (9,500)	$ (1,547)	$ (316)	$ (810)	$ 325	$ (11,252)	$ (801)
Weighted average common shares outstanding (basic)	2,472			2,424			2,465	2,427
Unvested restricted stock	24			15			24	15
Weighted average common shares outstanding (diluted)	2,496			2,442			2,489	2,442
Basic
Continuing operations	$ 0.07			$ (0.24)			$ (1.59)	$ (0.38)
Discontinued operation	(0.16)			0.11			(2.97)	0.05
Basic earnings per share	(0.09)			(0.13)			(4.56)	(0.33)
Diluted
Continuing operations	0.07			(0.24)			(1.59)	(0.38)
Discontinued operation	(0.16)			0.11			(2.97)	0.05
Diluted earnings per share	$ (0.09)			$ (0.13)			$ (4.56)	$ (0.33)