Quarterly report pursuant to Section 13 or 15(d)

6. Research and Development (Details Narrative)

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6. Research and Development (Details Narrative) - USD ($)
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Dec. 31, 2019
Research and Development Arrangement, Contract to Perform for Others [Line Items]          
Research and development expenses $ 157,000 $ 432,000 $ 227,000 $ 583,000  
Accounts payable - licensing agreement 1,373,000   1,373,000   $ 1,255,000
License revenue generated 0 0 0 0  
Interest and financing expense 271,000 371,000 435,000 2,024,000  
Prepaid expenses and other current assets 148,000   148,000   96,000
AOT Prototypes [Member]          
Research and Development Arrangement, Contract to Perform for Others [Line Items]          
Research and development expenses     72,000    
Payment for deposit     85,000   500,000
Amortization of prepaid deposit         483,000
Prepaid expenses and other current assets 30,000   30,000   17,000
Temple University License Agreements [Member]          
Research and Development Arrangement, Contract to Perform for Others [Line Items]          
Research and development expenses 47,000 $ 47,000 94,000 94,000  
Accounts payable - licensing agreement 1,373,000   1,373,000   $ 1,255,000
License revenue generated     835,000    
Interest and financing expense     24,000 $ 33,000  
Temple University License Agreements [Member] | Accounts payable deferred [Member]          
Research and Development Arrangement, Contract to Perform for Others [Line Items]          
Accounts payable - licensing agreement 135,000   135,000    
Temple University License Agreements [Member] | Accounts payable past due [Member]          
Research and Development Arrangement, Contract to Perform for Others [Line Items]          
Accounts payable - licensing agreement $ 1,238,000   $ 1,238,000