Annual report pursuant to Section 13 and 15(d)

Stock Options (Details 1)

v2.4.0.8
Stock Options (Details 1) (USD $)
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Non-vested share-based payment activity with employees    
Nonvested options, Beginning Balance 1,263,205 325,575
Granted 267,576 1,141,952
Vested (317,734) (195,099)
Forfeited (354,932) (9,223)
Nonvested options, Ending Balance 858,115 1,263,205
Weighted Average Grant Date Fair Value, Beginning Balance $ 1.41 $ 0.27
Weighted Average Grant Date Fair Value, Granted $ 2.99 $ 0.42
Weighted Average Grant Date Fair Value, Vested $ (1.92) $ (0.87)
Weighted Average Grant Date Fair Value, Forfeited $ (2.48) $ (0.004)
Weighted Average Grant Date Fair Value, Ending Balance $ 2.36 $ 1.41