XML 36 R16.htm IDEA: XBRL DOCUMENT v2.4.0.6
Fair Value Measurements (Tables)
 6 Months Ended
Jun. 30, 2012
Summary of Changes in Fair Value of Level 3 Liabilities

The following table sets forth a summary of changes in the fair value of our Level 3 liabilities for the six months ended June 30, 2012: 

 

Description   Balance as of
December 31,
2011		     Unrealized Losses     Balance as of
June 30, 
2012		  
                         
Derivative liabilities
related to warrants		   $ 1,886,652     $ 167,853     $ 2,054,505  

 

The following table sets forth a summary of changes in the fair value of the Company’s Level 3 liabilities for the six months ended June 30, 2011: 

 

Description   Balance as of
December 31,
2010		     New
Liabilities
in 2011		     Unrealized (Gains)     Balance as of
June 30, 
2011		  
                                 
Derivative liabilities
related to warrants		   $ 8,362,995     $ 668,640     $ (3,176,686 )   $ 5,854,949