Annual report pursuant to Section 13 and 15(d)

Note 10 - Commitments and Contingencies (Details Textual)

v3.24.1.u1
Note 10 - Commitments and Contingencies (Details Textual)
12 Months Ended
Mar. 12, 2024
shares
Dec. 31, 2023
USD ($)
ft²
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
May 31, 2018
USD ($)
Operating Lease, Monthly Payments   $ 12,000      
Operating Lease, Expense   163,000 $ 168,000    
Director [Member]          
Consulting Agreement, Monthly Payment         $ 7,500
Director [Member] | Consulting Fees [Member]          
Related Party Transaction, Amounts of Transaction       $ 90,000  
Certain Claims Arising From an Interpretation of Certain Rights of SPA [Member]          
Litigation Settlement, Expense   $ 760,000      
Certain Claims Arising From an Interpretation of Certain Rights of SPA [Member] | Subsequent Event [Member]          
Stock Issued During Period, Shares, New Issues (in shares) | shares 500,000        
Office Space [Member]          
Area of Real Estate Property | ft²   3,200      
Office Space on Month-to-month Basis [Member]          
Area of Real Estate Property | ft²   1,650      
Office Space Subject to Two-year Lease [Member]          
Area of Real Estate Property | ft²   1,550