Quarterly report pursuant to Section 13 or 15(d)

Derivatives (Details Textual)

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Derivatives (Details Textual)
3 Months Ended 12 Months Ended
Mar. 31, 2013
Dec. 31, 2012
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.