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Derivatives (Details Textual)
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3 Months Ended | 12 Months Ended |
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Mar. 31, 2013
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Dec. 31, 2012
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| Derivatives [Abstract] | ||
| Expected dividend yield | ||
| Description of probability of stock offering | Probability of a stock offering is 25% - 40% for each quarter of the next five years. |
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- Definition
Description of probability of stock offering. No definition available.
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- Details
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- Definition
Expected dividends to be paid to holders of the underlying shares or financial instruments (expressed as a percentage of the share or instrument's price). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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