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Financial Condition and Business Plan (Details Narrative) - USD ($)	1 Months Ended			12 Months Ended
	Jun. 30, 2020	Apr. 30, 2020	Jun. 30, 2018	Dec. 31, 2019	Dec. 31, 2018
Cumulated net losses	$ (300,916,593)			$ (290,516,780)
Cash, investment securities and interest receivable	25,500,000
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%
New Jersey [Member]
Tax benefits of EDA				1,900,000	$ 10,400,000
Net proceeds from sale of net operating losses	$ 2,000,000	$ 1,800,000		$ 1,800,000	$ 11,100,000

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