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Summary of Significant Accounting Policies (Tables) | 9 Months Ended
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Sep. 30, 2025
Summary of Significant Accounting Policies |
Schedule of Product and related sales and RefrigerantSide Services revenues | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months | ​ | Nine Months
​ | ​ | ended September 30, | ​ | ended September 30,
​ |  | 2025 |  | 2024 |  | 2025 |  | 2024
(in thousands) |  | ​ |  | ​ | ​ | ​ |  | ​ | ​ | ​ | ​ |
Product and related sales | ​ | $ | 72,016 | ​ | $ | 60,130 | ​ | $ | 196,393 | ​ | $ | 196,928
RefrigerantSide ® Services | ​ | $ | 1,996 | ​ | $ | 1,813 | ​ | $ | 5,811 | ​ | $ | 5,547
Total | ​ | $ | 74,012 | ​ | $ | 61,943 | ​ | $ | 202,204 | ​ | $ | 202,475
Schedule of reconciliation of shares used to determine net income per share | The reconciliation of shares used to determine net income per share is as follows (dollars in thousands, unaudited): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Three Months |  | Nine Months
​ | ​ | ended September 30, | ​ | ended September 30,
​ |  | 2025 |  | 2024 |  | 2025 |  | 2024
Net income | ​ | $ | 12,374 | ​ | $ | 7,806 | ​ | $ | 25,300 | ​ | $ | 26,953
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Weighted average number of shares – basic | ​ | ​ | 43,652,094 | ​ | ​ | 45,435,458 | ​ | ​ | 43,778,866 | ​ | ​ | 45,486,263
Shares underlying options | ​ | ​ | 1,593,103 | ​ | ​ | 1,699,985 | ​ | ​ | 1,550,815 | ​ | ​ | 1,792,375
Weighted average number of shares – diluted | ​ | ​ | 45,245,197 | ​ | ​ | 47,135,443 | ​ | ​ | 45,329,681 | ​ | ​ | 47,278,638

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