Long-term debt - Schedule of Debt (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Total debt, excluding unamortized debt issuance costs	$ 24,381	$ 25,242
Less: unamortized debt issuance costs	(81)	(98)
Total debt	24,300	25,144
Less: current portion of debt	(8,619)	(6,833)
Total long-term debt	$ 15,681	$ 18,311
Global Cooling Amended Term Notes
Debt Instrument [Line Items]
Interest Rate	4.00%	4.00%
Total debt, excluding unamortized debt issuance costs	$ 2,596	$ 2,596
Term Loan
Debt Instrument [Line Items]
Interest Rate	7.00%	7.00%
Total debt, excluding unamortized debt issuance costs	$ 20,000	$ 20,000
Insurance premium financing
Debt Instrument [Line Items]
Total debt, excluding unamortized debt issuance costs	$ 622	$ 1,348
Freezer equipment loan
Debt Instrument [Line Items]
Interest Rate	5.70%	5.70%
Total debt, excluding unamortized debt issuance costs	$ 279	$ 317
Manufacturing equipment loans
Debt Instrument [Line Items]
Interest Rate	5.70%	5.70%
Total debt, excluding unamortized debt issuance costs	$ 147	$ 172
Freezer installation loan
Debt Instrument [Line Items]
Interest Rate	6.30%	6.30%
Total debt, excluding unamortized debt issuance costs	$ 736	$ 807
Other loans
Debt Instrument [Line Items]
Total debt, excluding unamortized debt issuance costs	1	2
Total long-term debt
Debt Instrument [Line Items]
Total long-term debt	$ 15,681	$ 18,311