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v3.8.0.1

Income Taxes (Details) - USD ($) | 12 Months Ended
--- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2015
Current provision (benefit): |  |  |
Federal | $ 244,794 | $ 77,244 | $ (375,936)
State | 3,082 | (2,930) | (10,146)
Total current provision (benefit) | 247,876 | 74,314 | (386,082)
Deferred provision: |  |  |
Federal |  | 493,989 | 2,598,050
State | 44 | 27 | 91,510
Total deferred provision | 44 | 494,016 | 2,689,560
Total current and deferred provision | $ 247,920 | $ 568,330 | $ 2,303,478
Reconciliation of the statutory federal rate to the Company's effective income tax rate |  |  |
U.S. Federal statutory tax rate (as a percent) | 34.00% | 34.00% | 34.00%
State income taxes, net of federal benefit (as a percent) | (0.40%) | 0.20% | 0.00%
Permanent items (as a percent) | 0.20% | (0.20%) | (2.50%)
Research and development tax credits (as a percent) | 8.10% | (12.60%) | 17.40%
Valuation allowance (as a percent) | (35.90%) | (2.90%) | (110.00%)
Change in unrecognized tax benefits (as a percent) | (0.90%) | (0.10%) | (2.60%)
123R cancellations and forfeitures | 0.10% | 3.80% | (1.00%)
Effective income tax rate (as a percent) | 5.20% | 22.20% | (64.70%)

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