Quarterly report pursuant to Section 13 or 15(d)

Note 5 - Note Payable - Assumptions for Note Valuation Using Binomial Lattice Model (Details)

v3.22.2.2
Note 5 - Note Payable - Assumptions for Note Valuation Using Binomial Lattice Model (Details) - Note Holders [Member] - Securities Purchase Agreement [Member]
Sep. 30, 2022
USD ($)
Jun. 30, 2022
USD ($)
May 16, 2022
USD ($)
Estimated Fair value of Notes, including OID, excluding accrued interest $ 4,245,000 $ 3,986,000 $ 4,000,000
Change in fair value $ 334,000 $ (49,000)  
Measurement Input, Share Price [Member]      
Debt instrument, measurement input 0.68 1.02 1.27
Measurement Input, Price Volatility [Member]      
Debt instrument, measurement input 0.82 0.83 0.82
Measurement Input, Risk Free Interest Rate [Member]      
Debt instrument, measurement input 0.031 0.027 0.021
Measurement Input, Expected Dividend Rate [Member]      
Debt instrument, measurement input 0 0 0
Measurement Input, Implied Rate [Member]      
Debt instrument, measurement input 0.234 0.239 0.207