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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2015
Summary of Significant Accounting Policies [Abstract] |
Schedule of net income (loss) per common share |
|  | Year Ended December 31, |
|  | 2015 |  |  | 2014 |  |  | 2013 |
Weighted average number of shares outstanding |  |  | 3,042,376 |  |  |  | 3,027,001 |  |  |  | 3,019,407 |
Effect of dilutive stock options |  |  | 123,359 |  |  |  | 0 |  |  |  | 65,641 |
Diluted number of shares outstanding |  |  | 3,165,735 |  |  |  | 3,027,001 |  |  |  | 3,085,048 |
Outstanding stock options not included in the calculation |  |  |  |  |  |  |  |  |  |  |  |
because the effect would be anti-dilutive |  |  | 6,000 |  |  |  | 253,000 |  |  |  | 63,875 |

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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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