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Loss Per Share | 12 Months Ended
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Dec. 31, 2017
Earnings Per Share [Abstract] |
Loss Per Share |
13. | LOSS PER SHARE
Basic loss per share is computed based on the weighted average number of common shares outstanding. The calculation of diluted loss per share adds dilutive stock options computed using the treasury stock method as follows:
|  | 2017 |  |  | 2016 |  |  | 2015 |
Basic weighted average common shares outstanding |  |  | 5,899,802 |  |  |  | 4,768,013 |  |  |  | 4,677,500 |
Dilutive stock options using treasury stock method |  |  | - |  |  |  | - |  |  |  | - |
Diluted weighted average common shares outstanding |  |  | 5,899,802 |  |  |  | 4,768,013 |  |  |  | 4,677,500 |
For the years ended December 31, 2017, 2016 and 2015, common stock equivalents excluded from the calculation of weighted average shares because they were antidilutive are as follows:
|  | 2017 |  |  | 2016 |  |  | 2015 |
Stock options |  |  | 389,687 |  |  |  | 390,525 |  |  |  | 390,525 |
Unvested shares of restricted common stock |  |  | 5,555 |  |  |  | 24,832 |  |  |  | 16,667 |
Total |  |  | 395,242 |  |  |  | 415,357 |  |  |  | 407,192 |

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 + Details
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