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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2019
Income Tax Disclosure [Abstract] |
Components of net deferred income tax assets |
|  | December 31, |
|  | 2019 |  |  | 2018 |
Deferred tax assets: |  |  |  |  |  |
Federal net operating loss carryforward |  |  | 36,803,000 |  |  |  | 25,306,000 |
Intellectual property |  |  | 58,504,000 |  |  |  | 61,787,000 |
Accrued expense |  |  | 1,262,000 |  |  |  | 129,000 |
Patent amortization |  |  | 4,000 |  |  |  | 5,000 |
Deferred tax asseets before valuation |  |  | 96,573,000 |  |  |  | 87,227,000 |
Valuation allowance |  |  | (96,573,000 | ) |  |  | (87,227,000 | )
Net deferred income tax assets |  |  | - |  |  |  | - |

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- Definition Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319 + Details
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