Annual report pursuant to Section 13 and 15(d)

Income Taxes (Details)

v3.7.0.1
Income Taxes (Details) - USD ($)
Dec. 31, 2016
Dec. 31, 2015
Deferred tax assets:    
Net operating loss carryforwards $ 66,150,646 $ 60,129,827
R&D credit carryforwards 9,729,673 9,465,900
Stock compensation 1,368,458 1,898,394
Intangibles 1,720,761 1,921,934
Temporary differences 132,475 801,002
Deferred tax assets before valuation allowance 79,102,014 74,217,057
Valuation allowance (79,102,014) (74,217,057)
Net deferred tax assets $ 0 $ 0