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Series D 8% Cumulative, Compounding Exchangeable Preferred Stock (Detail Textuals) (USD $)
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6 Months Ended | |
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Jun. 30, 2012
Directors
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Dec. 31, 2011
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| Class of Stock [Line Items] | ||
| Preferred Stock, shares authorized | 5,000,000 | 5,000,000 |
| Number of directors elected by holders of preferred stock | 4 | |
| Total Number of directors | 7 | |
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Preferred Series D
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| Class of Stock [Line Items] | ||
| Preferred Stock, shares authorized | 2,200,000 | 2,200,000 |
| Preferred Stock, par value ( in dollars per share) | 0.01 | 0.01 |
| Preferred Stock, Outstanding | 1,438,359 | 1,331,814 |
| Preferred Stock, exchanged to common stock | 26,816,865 | |
| Dividend payable ( in dollars per share) | 0.08 | |
| Maximum number of outstanding preferred shares required for voting as a single class | 500,000 | |
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Preferred Stock | Preferred Series D
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| Class of Stock [Line Items] | ||
| Series D preferred stock issued in satisfaction of accrued dividends (in shares) | 106,545 |