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NET INCOME PER SHARE | 9 Months Ended
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Sep. 30, 2015
NET INCOME PER SHARE |
NET INCOME PER SHARE | 10. NET INCOME PER SHARE For the three and nine months ended September 30, 2014 and 2015, outstanding stock options were the only potentially dilutive securities. The reconciliation from basic to diluted weighted average common shares outstanding is as follows (in thousands):
|  | Three months ended September 30, |  | Nine months ended September 30, |
|  | 2014 |  | 2015 |  | 2014 |  | 2015 |
Basic weighted-average common shares outstanding |  | 15,923 |  | 16,049 |  | 15,890 |  | 16,009 |
Stock options |  | 107 |  | 116 |  | 111 |  | 119 |
Diluted weighted-average common shares outstanding |  | 16,030 |  | 16,165 |  | 16,001 |  | 16,128 |
The above calculation for the three and nine months ended September 30, 2015, does not include approximately 2,000 and 1,000 shares related to certain stock options because the effect of such options were anti-dilutive. There were no anti-dilutive shares for the three and nine months ended September 30, 2014.

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