Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Schedule Of Assets And Liabilities Measured At Fair Value On A Recurring Basis) (Details)

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Fair Value Measurements (Schedule Of Assets And Liabilities Measured At Fair Value On A Recurring Basis) (Details) (USD $)
Mar. 31, 2013
Dec. 31, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Restricted Cash equivalents $ 957,180 $ 1,091,801
Marketable Securities 100,000 100,000
Total Assets: 1,057,180 1,191,801
Warrant Liabilities 2,473,163 2,842,065
Level 1 [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Restricted Cash equivalents 919,680 1,054,301
Marketable Securities 100,000 100,000
Total Assets: 1,019,680 1,154,301
Level 2 [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Restricted Cash equivalents 37,500 37,500
Total Assets: 37,500 37,500
Level 3 [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Warrant Liabilities $ 2,473,163 $ 2,842,065