Annual report pursuant to Section 13 and 15(d)

Income Taxes - Expense (Details)

v3.8.0.1
Income Taxes - Expense (Details)
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Reconciliation of income tax expense      
Federal statutory rate 34.00% 34.00% 34.00%
Permanent differences 0.02% (0.02%) (0.02%)
Warrants 0.07% 0.15% 4.26%
Acquisition costs 0.08% 0.00% 0.00%
Built in loss 1.52% 0.00% 0.00%
State taxes 27.91% 3.44% 5.12%
Research and development credit (1.04%) 2.18% 2.69%
Change in statutory rate due to Tax Cuts and Job Act 15.82% 0.00% 0.00%
NOL adjustment per § 382 126.82% 0.00% 0.00%
Other 0.04% 0.00% 0.03%
Change in valuation allowance (191.03%) (39.75%) (46.08%)
Effective income tax rate 14.21% 0.00% 0.00%