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
	Mar. 31, 2025	Mar. 31, 2024
Numerator:
Net loss from continuing operations	$ (448)	$ (3,199)
Denominator:
Weighted-average common shares issued, basic (in shares)	47,134,720	45,432,426
Weighted-average common shares outstanding, basic (in shares)	47,134,720	45,432,426
Weighted-average common shares outstanding, diluted (in shares)	47,134,720	45,432,426
Weighted-average common shares outstanding, diluted (in shares)	47,134,720	45,432,426
Basic loss from continuing operations per common share (in dollars per share)	$ (0.01)	$ (0.07)
Diluted loss from continuing operations per common share (in dollars per share)	$ (0.01)	$ (0.07)
Antidilutive securities excluded from computation of earnings per share, amount (in shares)	1,232,836	1,070,693