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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2016
Accounting Policies [Abstract] |
Company's revenues | The Company's revenues are derived from Product and related sales and RefrigerantSide® Services revenues. The revenues for each of these lines are as follows:
Years Ended December 31, |  | 2016 |  | 2015 |  | 2014 |
(in thousands) |  |  |  |  |  |  |  |  |  |
Product and related sales |  | $ | 101,344 |  | $ | 75,154 |  | $ | 50,460 |
RefrigerantSide® Services |  |  | 4,137 |  |  | 4,568 |  |  | 5,350 |
Total |  | $ | 105,481 |  | $ | 79,722 |  | $ | 55,810 |
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, |
|  | 2016 |  | 2015 |  | 2014 |
Net income (loss) |  | $ | 10,637 |  | $ | 4,763 |  | $ | (720) |
Weighted average number of shares - basic |  |  | 34,104,476 |  |  | 32,546,840 |  |  | 29,122,746 |
Shares underlying warrants |  |  | — |  |  | 300,846 |  |  | — |
Shares underlying options |  |  | 1,312,434 |  |  | 1,088,413 |  |  | — |
Weighted average number of shares outstanding – diluted |  |  | 35,416,910 |  |  | 33,936,099 |  |  | 29,122,746 |

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