Annual report pursuant to Section 13 and 15(d)

Income Taxes - Schedule of Effective Income Tax Rate Reconciliation (Details)

v3.8.0.1
Income Taxes - Schedule of Effective Income Tax Rate Reconciliation (Details)
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Income Tax Disclosure [Abstract]      
Tax provision at statutory rate 34.00% 34.00% 34.00%
State taxes, net of federal benefit 5.66% 4.76% 4.76%
Permanent differences (2.05%) (0.65%) (0.62%)
Tax credits 1.59% 1.33% 2.67%
Income tax rate change (24.11%)
Other 0.60% (0.13%) 0.04%
Increase in valuation reserve (15.69%) (39.31%) (40.85%)
Total 0.00% 0.00% 0.00%