Quarterly report pursuant to Section 13 or 15(d)

7. Share-Based Compensation (Tables)

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7. Share-Based Compensation (Tables)
 6 Months Ended
Jun. 30, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of Share-Based Compensation Expense
  Three Months Ended June 30,     Six Months Ended June 30,  
    2015     2014     2015     2014  
Research and development expenses   $ 51,736     $ 15,573     $ 150,881     $ 30,994  
Administrative expenses     38,234       27,752       86,317       401,256  
    $ 89,970     $ 43,325     $ 237,198     $ 432,250