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Significant Accounting Policies - EPS (Details) - $ / shares | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2016 | Sep. 30, 2015 | Sep. 30, 2016 | Sep. 30, 2015 | Dec. 31, 2015
Schedule of reconciliation of shares used to calculate basic and diluted earnings per share |  |  |  |  |
Weighted average shares outstanding used to compute basic earnings per share | 10,616,000 | 10,593,000 | 10,608,000 | 10,586,000 |
Unvested restricted stock | 212,000 | 143,000 | 195,000 | 140,000 |
Shares used to compute diluted earnings per share | 10,828,000 | 10,736,000 | 10,803,000 | 10,726,000 |
Common stock, shares authorized | 20,000,000 |  | 20,000,000 |  | 20,000,000
Common stock, par value | $ 0.01 |  | $ 0.01 |  | $ 0.01
Common stock, shares issued | 11,093,958 |  | 11,093,958 |  | 11,027,177
Common stock, shares outstanding | 11,093,958 |  | 11,093,958 |  | 11,027,177
Preferred stock, shares authorized | 8,000,000 |  | 8,000,000 |  | 8,000,000
Preferred stock, shares issued | 0 |  | 0 |  | 0
Preferred stock, shares outstanding | 0 |  | 0 |  | 0

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- Definition Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 30 -Article 5 + Details
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