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Earnings per share (Tables) | 6 Months Ended
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Jun. 30, 2014
Earnings Per Share [Abstract] |
Schedule of Computations of Basic and Diluted Earnings (Loss) Per Share | The computations of basic and diluted earnings (loss) per share for the three and six months ended June 30, 2014 and 2013, were as follows:
|  | Three months ended June 30, |  |  | Six months ended June 30, |
|  | 2014 |  |  | 2013 |  |  | 2014 |  |  | 2013 |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) |  | $ | 4,438 |  |  | $ | (2,100 | ) |  | $ | 6,812 |  |  | $ | (5,027 | )
Change in the value of Private Placement Warrants |  |  | (99 | ) |  |  | — |  |  |  | (332 | ) |  |  | — |
|  |  | 4,339 |  |  |  | (2,100 | ) |  |  | 6,480 |  |  |  | (5,027 | )
Denominator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average common shares outstanding-basic |  |  | 10,627,913 |  |  |  | 9,243,773 |  |  |  | 10,585,187 |  |  |  | 9,171,942 |
Incremental shares from assumed exercise of Private Placement Warrants, SAR, restricted stock and contingent consideration |  |  | 525,242 |  |  |  | — |  |  |  | 518,688 |  |  |  | — |
Weighted average common shares outstanding-diluted |  |  | 11,153,155 |  |  |  | 9,243,773 |  |  |  | 11,103,875 |  |  |  | 9,171,942 |
Earnings (loss) per share of common stock – basic and diluted |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Earnings (loss) per share of common stock – basic |  | $ | 0.42 |  |  | $ | (0.23 | ) |  | $ | 0.64 |  |  | $ | (0.55 | )
Earnings (loss) per share of common stock – diluted |  | $ | 0.39 |  |  | $ | (0.23 | ) |  | $ | 0.58 |  |  | $ | (0.55 | )

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + 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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