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Stockholders' Equity (Details Textual) (USD $)
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Jun. 30, 2013
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Dec. 31, 2012
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| Stockholders' Equity Attributable to Parent [Abstract] | ||
| Common stock, par or stated value per share | $ 0.01 | $ 0.01 |
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- Definition
Face amount or stated value per share of common stock. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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