Long-term debt - Schedule of Debt (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Total debt, excluding unamortized debt issuance costs	$ 15,975	$ 23,944
Less: unamortized debt issuance costs	(35)	(98)
Total	15,940	23,846
Less: current portion of debt	(10,943)	(6,285)
Debt, long-term	$ 4,997	$ 17,561
Global Cooling Term Notes
Debt Instrument [Line Items]
Interest Rate	4.00%	4.00%
Total debt, excluding unamortized debt issuance costs	$ 0	$ 2,596
Term Loan
Debt Instrument [Line Items]
Interest Rate	7.00%	7.00%
Total debt, excluding unamortized debt issuance costs	$ 15,000	$ 20,000
Insurance premium financing
Debt Instrument [Line Items]
Interest Rate	8.30%	8.30%
Total debt, excluding unamortized debt issuance costs	$ 975	$ 1,348
Total long-term debt
Debt Instrument [Line Items]
Debt, long-term	$ 4,997	$ 17,561