Prepaid expenses and other current assets (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Refunds and other receivables	$ 596	$ 648
Prepaid expenses	2,203	1,889
Other current assets	997	981
Total prepaid and other current assets	$ 3,796	$ 3,518