Earnings per share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Basis loss per share:
Net loss attributable to Common shareholders	$ (3,081)	$ (615)	$ (3,380)	$ (1,314)
Divided by:
Weighted average shares outstanding (in shares)	3,976,073	3,965,186	3,976,073	3,965,186
Basic loss per share of common stock (usd per share)	$ (0.77)	$ (0.16)	$ (0.85)	$ (0.33)
Diluted loss per share:
Net loss attributable to Common shareholders	$ (3,081)	$ (615)	$ (3,380)	$ (1,314)
Weighted average shares outstanding (in shares)	3,976,073	3,965,186	3,976,073	3,965,186
Effect of potentially dilutive restricted common shares (in shares)	0	0	0	0
Divided by:
Weighted average diluted shares outstanding (in shares)	3,976,073	3,965,186	3,976,073	3,965,186
Diluted loss per share of common stock (usd per share)	$ (0.77)	$ (0.16)	$ (0.85)	$ (0.33)
Restricted Stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive restricted shares of common stock (in shares)	8,695	1,528	4,330	427