XML 40 R16.htm IDEA: XBRL DOCUMENT v2.4.0.6
Debt (Tables)
6 Months Ended
Jun. 30, 2012
Debt [Abstract]  
Schedule of fair value of estimated vested warrants

The fair value of the vested warrants was estimated on the grant date using the Black-Scholes option valuation model with the following assumptions:

 

         

Risk-free interest rate

    2.19

Expected term (in years)

    5  

Stock price volatility

    207

Expected dividend yield

    0