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Fair Value of Financial Instruments (Tables)
12 Months Ended
Dec. 31, 2012
Fair Value of Financial Instruments [Abstract]  
Assets and liabilities measured at fair value
The following table sets forth our financial assets and liabilities measured at fair value by level within the fair value hierarchy as of December 31, 2012.  Assets and liabilities are classified in their entirety based on the lowest level of input that is significant to the fair value measurement.
 
   
Level 1
  
Level 2
  
Level 3
  
Total
 
              
Derivative liabilities
 $-  $-  $474,203  $474,203