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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2024
Summary of Significant Accounting Policies |
Schedule of Product and related sales and RefrigerantSide Services revenues | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Years Ended December 31, |  | 2024 |  | 2023 |  | 2022
(in thousands) | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Product and related sales | ​ | $ | 230,264 | ​ | $ | 281,954 | ​ | $ | 319,019
RefrigerantSide ® Services | ​ |  | 6,854 | ​ |  | 7,071 | ​ |  | 6,206
Total | ​ | $ | 237,118 | ​ | $ | 289,025 | ​ | $ | 325,225
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): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Years ended December 31,
​ |  | 2024 |  | 2023 |  | 2022
Net income | ​ | $ | 24,388 | ​ | $ | 52,247 | ​ | $ | 103,801
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Weighted average number of shares – basic | ​ |  | 45,329,789 | ​ |  | 45,385,433 | ​ |  | 44,990,104
Shares underlying options | ​ |  | 1,746,688 | ​ |  | 1,952,798 | ​ |  | 2,118,914
Weighted average number of shares outstanding – diluted | ​ |  | 47,076,477 | ​ |  | 47,338,231 | ​ |  | 47,109,018

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