Quarterly report pursuant to Section 13 or 15(d)

8. Share-Based Compensation (Tables)

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8. Share-Based Compensation (Tables)
3 Months Ended
Mar. 31, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Share-based compensation expense
    Three Months Ended March 31,  
    2017     2016  
Research and development expenses   $ 109,533     $ (193,451 )
Administrative expenses     556,464       479,911  
    $ 665,997     $ 286,460