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Net Income (Loss) per Common Share | 6 Months Ended
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Jun. 30, 2018
Earnings Per Share [Abstract] |
Net Income per Common Share | Net Loss per Common Share Basic net loss per share is calculated based on the weighted average number of common shares outstanding during the period. Diluted net loss per share incorporates the dilutive effect of common stock equivalent options, warrants and other convertible securities, if any, as determined with the treasury stock accounting method. For the three and six months ended June 30, 2018, since there was a net loss, the Company excluded all 634 and 805, respectively, in outstanding stock options and non-vested restricted shares from its diluted loss per share calculation, as inclusion of these securities would have reduced the net loss per share. For the three and six months ended June 30, 2017, since there was a net loss, the Company excluded all 1,207 and 960, respectively, in outstanding stock options and non-vested restricted shares from its diluted loss per share calculation, as inclusion of these securities would have reduced the net loss per share. A reconciliation of the basic and diluted weighted average common shares outstanding is as follows:
| Three Months Ended |  | Six Months Ended
| June 30, |  | June 30,
| 2018 |  | 2017 |  | 2018 |  | 2017
Weighted average common shares outstanding—basic | 17,140 |  |  | 16,446 |  |  | 16,942 |  |  | 16,354 |
Dilutive common shares issuable in connection with stock plans | — |  |  | — |  |  | — |  |  | — |
Weighted average common shares outstanding—diluted | 17,140 |  |  | 16,446 |  |  | 16,942 |  |  | 16,354 |

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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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