Annual report pursuant to Section 13 and 15(d)

Stock Options (Details)

v2.4.0.8
Stock Options (Details) (USD $)
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Summary of stock option activity      
Options, Outstanding, Beginning Balance 1,945,688 447,659  
Options, granted 267,576 1,141,952  
Options, LecTec stock option from Merger   464,000  
Options, Forfeited (354,932) (9,223)  
Options, Exercised (58,341) (98,700)  
Options, Outstanding, Ending Balance 1,799,991 1,945,688 447,659
Options, Exercisable 941,876    
Weighted Average Exercise Price, Outstanding, Beginning Balance $ 2.41 $ 0.27  
Weighted Average Exercise Price, Granted $ 2.99 $ 2.61  
Weighted Average Exercise Price, LecTec Stock option from Merger   $ 3.48  
Weighted Average Exercise Price, Forfeited $ (2.48) $ (0.06)  
Weighted Average Exercise Price, Exercised $ (0.27) $ (0.27)  
Weighted Average Exercise Price, Outstanding, Ending balance $ 2.54 $ 2.41 $ 0.27
Weighted Average Exercise Price, Exercisable $ 2.71    
Weighted Average Remaining Contractual Term (Years), Outstanding 7 years 7 months 28 days 7 years 4 months 6 days 8 years 7 months 13 days
Weighted Average Remaining Contractual Term (Years), Exercisable 7 years 1 month 10 days