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9. Contractual Obligations (Tables)
3 Months Ended
Mar. 31, 2015
Commitments and Contingencies Disclosure [Abstract]  
Contractual obligations
       Research and         
Year ending  Office   License   Compensation   Total 
December 31,  Lease (1)   Agreements (2)   Agreements (3)   Obligations 
2015  $52,470   $219,804   $262,500   $534,774 
2016   69,960    187,500    84,167    341,627 
2017   69,960    187,500    15,429    272,889 
2018   40,810    187,500        228,310 
2019       187,500        187,500 
Total  $233,200   $969,804   $362,096   $1,565,100