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Income Taxes (Details Textual) - USD ($) | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2018 | Sep. 30, 2019
Effective tax rate |  |
Gross deferred tax assets | $ 2,115,268 | $ 3,951,208
Valuation allowance | (2,115,268) | (3,951,208)
Federal net operating loss carryforwards | 6,393,000 | 12,277,000
Federal research credit carryforwards | 140,553 | 257,343
State net operating loss carryforwards | 6,393,000 | 12,277,000
State research credit carryforwards | $ 140,553 | $ 257,343
Domestic Tax Authority [Member] |  |
Operating loss carryforwards, expiration date |  | Dec. 31, 2036
Research credit carryforwards, expiration date |  | Dec. 31, 2036
State and Local Jurisdiction [Member] |  |
Operating loss carryforwards, expiration date |  | Dec. 31, 2031
Research credit carryforwards, expiration date |  | Dec. 31, 2032

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