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EARNINGS (LOSS) PER SHARE | 6 Months Ended
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Jun. 30, 2016
Earnings Per Share [Abstract] |
EARNINGS (LOSS) PER SHARE |
12. | EARNINGS (LOSS) PER SHARE
Basic earnings (loss) per share is computed based on the weighted average number of common shares outstanding. For the three and six months ended June 30, 2016 and 2015, common stock equivalents excluded from the calculation of weighted average shares because they were antidilutive are as follows:
|  | Three Months Ended |  |  | Six Months Ended |
|  | June 30: |  |  | June 30: |
|  | 2016 |  |  | 2015 |  |  | 2016 |  |  | 2015 |
Stock options |  |  | 390,525 |  |  |  | 436,132 | (1) |  |  | 390,525 |  |  |  | 436,132 | (1)
Unvested shares of restricted common stock |  |  | 11,111 |  |  |  | 56,785 | (1) |  |  | 11,141 | (1) |  |  | 56,785 | (1)
Series A convertible preferred stock |  |  | 678,009 | (1) |  |  | - |  |  |  | 522,155 | (1) |  |  | - |
Total |  |  | 1,079,645 |  |  |  | 492,917 |  |  |  | 923,821 |  |  |  | 492,917 |
| (1) | Includes weighted average number of shares for options issued during the period and shares of restricted stock that vested during the period.

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