Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Details Narrative)

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Summary of Significant Accounting Policies (Details Narrative) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Jun. 30, 2022
Dec. 31, 2021
Jun. 30, 2021
Dec. 31, 2020
Property, Plant and Equipment [Line Items]                
Net loss $ 6,881,000 $ 5,453,000 $ 15,300,000 $ 39,991,000        
Net cash used in operating activities     10,919,000 11,901,000        
Short-term investment 20,800,000   20,800,000          
Working capital 15,800,000   15,800,000          
Stockholders' equity 15,954,000 31,876,000 15,954,000 31,876,000 $ 15,440,000 $ 21,910,000 $ 36,291,000 $ (29,433,000)
Investments and cash 20,800,000   20,800,000          
Total cash equivalents 2,500,000   2,500,000          
Short term investment 18,319,000   18,319,000     23,011,000    
Derivative liability 57,000 $ 340,000 57,000 $ 340,000 $ 115,000 138,000 $ 842,000 $ 383,000
Operating lease, right-of-use asset 190,000   190,000        
Operating lease,liability 217,000,000   217,000,000          
FDIC amount 250,000   250,000          
Office Space and Equipment [Member]                
Property, Plant and Equipment [Line Items]                
Operating lease, right-of-use asset 260,000   260,000          
Operating lease,liability $ 260,000   $ 260,000