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Net Income (Loss) per Common Share (Tables) | 6 Months Ended
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Jun. 30, 2018
Earnings Per Share [Abstract] |
Schedule of reconciliation of basic and diluted weighted average common shares outstanding | 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 Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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