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Financial Condition and Business Plan (Details Narrative) - USD ($) |  | 1 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
May 13, 2020 | Apr. 30, 2020 | Jun. 30, 2018 | Dec. 31, 2019 | Dec. 31, 2018 | Mar. 31, 2020
Cumulated net losses |  |  |  | $ (290,516,780) |  | $ (295,573,658)
Cash, investment securities and interest receivable |  |  |  |  |  | $ 17,500,000
Horizon Credit Agreement [Member] | Horizon Technology Finance Corporation [Member] |  |  |  |  |  |
Proceeds from new capital |  |  | $ 10,000,000 |  |  |
Horizon Credit Agreement [Member] | Horizon Technology Finance Corporation [Member] | London Interbank Offered Rate (LIBOR) [Member] |  |  |  |  |  |
Debt instrument, interest rate |  |  | 7.625% |  |  |
Subsequent Event [Member] |  |  |  |  |  |
Net proceeds from sale of net operating losses |  | $ 1,800,000 |  |  |  |
Subsequent Event [Member] | Horizon Credit Agreement [Member] | Horizon Technology Finance Corporation [Member] | August and September 2020 [Member] |  |  |  |  |  |
Payments to capital liabilities | $ 833,333 |  |  |  |  |
New Jersey [Member] |  |  |  |  |  |
Tax benefits of EDA |  |  |  | 1,900,000 | $ 10,400,000 |
Net proceeds from sale of net operating losses |  |  |  | 1,800,000 | $ 11,100,000 |
Future tax benefits |  |  |  | $ 2,000,000 |  |

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