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Summary of Significant Accounting Policies (Tables) | 3 Months Ended
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Mar. 31, 2025
Summary of Significant Accounting Policies |
Schedule of Product and related sales and RefrigerantSide Services revenues | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
Period Ended March 31, |  | 2025 |  | 2024
(in thousands) |  | ​ |  | ​ | ​ | ​
Product and related sales | ​ | $ | 53,865 | ​ | $ | 63,811
RefrigerantSide ® Services | ​ | ​ | 1,478 | ​ | ​ | 1,439
Total | ​ | $ | 55,343 | ​ | $ | 65,250
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
​ | ​ | Ended March 31,
​ |  | 2025 |  | 2024
Net income | ​ | $ | 2,758 | ​ | $ | 9,562
​ | ​ | ​ | ​ | ​ | ​ | ​
Weighted average number of shares – basic | ​ | ​ | 44,057,774 | ​ | ​ | 45,509,423
Shares underlying options | ​ | ​ | 1,563,639 | ​ | ​ | 1,959,097
Weighted average number of shares outstanding – diluted | ​ | ​ | 45,621,413 | ​ | ​ | 47,468,520

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