Quarterly report pursuant to Section 13 or 15(d)

Stock Based Payment Arrangements (Details)

v2.4.0.6
Stock Based Payment Arrangements (Details) (USD $)
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Stock-based compensation on all employee and non-employee awards        
Total stock based compensation expense $ (3,576) $ 727,263 $ 257,827 $ 846,192
Research and Development [Member]
       
Stock-based compensation on all employee and non-employee awards        
Total stock based compensation expense (11,848) 37,298 10,868 75,141
Selling, General and Administrative [Member]
       
Stock-based compensation on all employee and non-employee awards        
Total stock based compensation expense $ 8,272 $ 689,965 $ 246,959 $ 771,051