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Summary of Significant Accounting Policies (Details) $ in Thousands			1 Months Ended	3 Months Ended			9 Months Ended		12 Months Ended
	Oct. 22, 2025	Jun. 06, 2024 USD ($)	Jul. 31, 2016	Sep. 30, 2025 USD ($) shares	Dec. 31, 2024 USD ($)	Sep. 30, 2024 USD ($) shares	Sep. 30, 2025 USD ($) item segment shares	Sep. 30, 2024 USD ($) shares	Dec. 31, 2024 USD ($)
Significant accounting policies
Number of reportable segments \| segment							1
Stepdown from baseline levels, final rule							10.00%
Cumulative reduction in baseline, subsequent allowance							40.00%
Allocation allowance received as a percentage of total HFC consumption							1.00%
Revenues				$ 74,012		$ 61,943	$ 202,204	$ 202,475
Number of reporting unit \| item							1
Goodwill impairment loss					$ 0		$ 0	0	$ 0
Cylinder deposit liability				22,800	19,400		22,800		19,400
Contract term			5 years
Renewal term			5 years
Management services revenue				$ 74,012		$ 61,943	$ 202,204	$ 202,475
Options excluded from the calculation of diluted shares \| shares				522,428		692,092	681,498	59,963
Subsequent Events
Significant accounting policies
Contract term	5 years
Renewal term	5 years
USA Refrigerants Acquisition
Significant accounting policies
Consideration amount		$ 20,700
Contingent payment period		18 months
Maximum \| USA Refrigerants Acquisition
Significant accounting policies
Contingent payment		$ 2,000
Federal
Significant accounting policies
Operating loss carryforwards				$ 0			$ 0
State
Significant accounting policies
Operating loss carryforwards				800			800
Management Service
Significant accounting policies
Management services revenue							$ 1,900	$ 1,800
Customer Concentration Risk \| United States Defense Logistics Agency \| Revenue from Contract with Customer
Significant accounting policies
Concentration risk percentage							10.00%	10.00%
Revenues							$ 30,200	$ 28,000
Customer Concentration Risk \| United States Defense Logistics Agency \| Accounts Receivable
Significant accounting policies
Concentration risk percentage							10.00%	10.00%
Accounts receivable				$ 6,200	$ 3,500		$ 6,200		$ 3,500