Annual report pursuant to Section 13 and 15(d)

6. Research and Development (Details Narrative)

v3.21.2
6. Research and Development (Details Narrative) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Research and Development Arrangement, Contract to Perform for Others [Line Items]    
Research and development expenses $ 355,000 $ 891,000
Accounts payable - licensing agreement 1,491,000 1,255,000
AOT Prototypes [Member]    
Research and Development Arrangement, Contract to Perform for Others [Line Items]    
Research and development expenses 167,000 703,000
Temple University License Agreements [Member]    
Research and Development Arrangement, Contract to Perform for Others [Line Items]    
Research and development expenses 188,000  
Accounts payable - licensing agreement 1,491,000 $ 1,255,000
Interest expense 48,000  
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  
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 $ 1,356,000