Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details)

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Stockholders' Equity (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Stockholders Equity [Line Items]        
Total $ 625,959 $ 541,026 $ 1,315,817 $ 2,982,025
Research and development expenses [Member]        
Stockholders Equity [Line Items]        
Total 294,574 244,985 572,754 478,558
General and administrative expenses [Member]        
Stockholders Equity [Line Items]        
Total $ 331,385 $ 296,041 $ 743,063 $ 2,503,467