Shareholders' Equity - Calculation of earning per share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Shareholders' Equity
Common shares that could potentially dilute basic earnings per share	27,010	6,576
Net (Loss) Income	$ (2,117)	$ 4,055
Weighted average common shares outstanding (basic)	2,418,000	2,411,000
Unvested restricted stock	27,000	7,000
Weighted average common shares outstanding (diluted)	2,445,000	2,418,000
Basic
Net (loss) income per share	$ (0.88)	$ 1.68
Diluted
Net (loss) income per share	$ (0.88)	$ 1.68