Annual report pursuant to Section 13 and 15(d)

Income Taxes - Schedule of Reconciliation of the Federal Statutory Income Tax Rate (Details)

v3.7.0.1
Income Taxes - Schedule of Reconciliation of the Federal Statutory Income Tax Rate (Details)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Income Tax Disclosure [Abstract]      
Statutory federal statutory rate 34.00% 34.00% 34.00%
Change in fair value of warrant liability 0.90% (5.20%) 10.70%
State income taxes, net of federal benefit 4.80% 0.10% 0.40%
Tax credits 0.40% 0.30% 0.90%
Change in valuation allowance (7.30%) (12.50%) (11.20%)
Permanent differences (0.80%) (0.70%)
State rate adjustment (5.30%) 3.30%
Other 0.90% 4.40% 0.10%
Effective rate 28.30% 23.60% 23.60%