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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