Annual report pursuant to Section 13 and 15(d)

Income Taxes - Schedule of Reconciliation Statutory Federal Income Tax Provision to Actual Income Tax Benefit (Details)

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Income Taxes - Schedule of Reconciliation Statutory Federal Income Tax Provision to Actual Income Tax Benefit (Details)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Income Tax Disclosure [Abstract]    
Federal statutory rate (35.00%) (34.00%)
State taxes, net of federal benefit (2.30%) (4.30%)
Research and development credits 1.50% (0.70%)
Equity related expenses 10.70% 2.90%
Change in valuation allowance 25.10% 36.10%
Total income tax expense 0.00% 0.00%