Net loss from continuing operations per common share - Schedule of Computations of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Numerator:
Net loss from continuing operations	$ (1,703)	$ (15,804)	$ (13,061)	$ (30,043)
Net loss from continuing operations allocated to common shareholders	(1,703)	(15,804)	(13,061)	(30,043)
Net loss from continuing operations allocated to common shareholders	$ (1,703)	$ (15,804)	$ (13,061)	$ (30,043)
Denominator:
Weighted-average common shares issued, basic (in shares)	46,175,345	43,570,438	45,871,715	43,348,412
Weighted-average common shares outstanding, basic (in shares)	46,175,345	43,570,438	45,871,715	43,348,412
Weighted-average common shares issued, diluted (in shares)	46,175,345	43,570,438	45,871,715	43,348,412
Weighted-average common shares outstanding, diluted (in shares)	46,175,345	43,570,438	45,871,715	43,348,412
Basic loss from continuing operations per common share (in dollars per share)	$ (0.04)	$ (0.36)	$ (0.28)	$ (0.69)
Diluted loss from continuing operations per common share (in dollars per share)	$ (0.04)	$ (0.36)	$ (0.28)	$ (0.69)