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Statements of Comprehensive Loss (unaudited) (USD $)
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Changes in:    
Realized loss on investment securities recognized in investment income, net $ 53,740 $ 128,560
Unrealized loss on investment securities (85,689) (129,776)
Other comprehensive loss (31,949) (1,216)
Net loss (650,974) (6,186,241)
Total comprehensive loss (682,923) (6,187,457)
Other Income, Net (Member)
   
Changes in:    
Net loss $ (650,974) $ (6,186,241)