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Income Taxes (Details Narrative) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018
Operating loss carryforwards | $ 63,500,000 |
Operating loss carryforwards expire year | 2028 |
Accruals for income tax accounting uncertainties |  |
Interest or penalties |  |
Unrecognized tax benefits decrease or increase during period |  |
Federal [Member] |  |
Research and development credit carryforwards | $ 3,200,000 |
Research and development credit carryforwards expire year | 2029 |
State [Member] |  |
Research and development credit carryforwards | $ 3,100,000 |

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