Net loss from continuing operations per common share - Schedule of Earnings Per Share, Basic and Diluted, Two Class Method (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
Numerator:
Net loss from continuing operations	$ (7,146)	$ (5,518)	$ (11,358)	$ (14,239)
Net loss from continuing operations allocated to common shareholders	(7,146)	(5,518)	(11,358)	(14,239)
Net loss from continuing operations allocated to common shareholders	$ (7,146)	$ (5,518)	$ (11,358)	$ (14,239)
Denominator:
Weighted average common shares issued, basic (in shares)	46,004,037	43,441,219	45,718,232	43,235,558
Weighted average common shares outstanding, basic (in shares)	46,004,037	43,441,219	45,718,232	43,235,558
Weighted average common shares issued, diluted (in shares)	46,004,037	43,441,219	45,718,232	43,235,558
Weighted average common shares outstanding, diluted (in shares)	46,004,037	43,441,219	45,718,232	43,235,558
Basic loss from continuing operations per common share (in dollars per share)	$ (0.16)	$ (0.12)	$ (0.25)	$ (0.33)
Diluted loss from continuing operations per common share (in dollars per share)	$ (0.16)	$ (0.12)	$ (0.25)	$ (0.33)