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Equity (Tables) | 6 Months Ended
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Jun. 30, 2014
Stockholders' Equity Note [Abstract] |
Schedule of weighted average number of shares outstanding | Diluted net income (loss) per share attributable to common stockholders is based upon the weighted-average number of shares of common stock outstanding and the weighted-average number of shares outstanding assuming the issuance of common stock upon exercise of warrants to purchase common stock, and the vesting of restricted stock grants per ASC 260, “Earnings Per Share.”
| Three Months Ended June 30 |  | Six Months Ended June 30
| 2014 |  | 2013 |  | 2014 |  | 2013
Weighted average number of shares outstanding: |  |  |  |  |  |  |
Common stock | 20,586,190 |  |  | 20,136,188 |  |  | 20,577,280 |  |  | 20,118,152 |
Common stock equivalents-stock options, grants | 35,406 |  |  | 16,323 |  |  | 40,323 |  |  | 17,039 |
Diluted shares outstanding | 20,621,596 |  |  | 20,152,511 |  |  | 20,617,603 |  |  | 20,135,191 |

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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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