Quarterly report pursuant to Section 13 or 15(d)

Common Stock (Details 4)

v2.4.0.8
Common Stock (Details 4) (Stock Warrants [Member])
6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Stock Warrants [Member]
   
Summary of fair value of warrants issued    
Risk-free interest rates 0.45% 0.46%
Expected dividend yield 0.00% 0.00%
Expected life 2 years 3 months 18 days 3 years 3 months 18 days
Expected volatility 44.00% 67.00%