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Sale of Common Stock (Details Textual) (USD $)
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Jun. 30, 2012
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Mar. 31, 2012
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Dec. 31, 2011
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Apr. 02, 2012
Initial public offering [Member]
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| Sale of Common Stock (Textual) [Abstract] | ||||
| Common stock, shares issued | 12,486,727 | 9,336,727 | 9,336,727 | 3,150,000 |
| Common stock, par value | $ 0.10 | $ 0.10 | $ 0.10 | |
| Selling price per share | $ 15.00 |