Quarterly report pursuant to Section 13 or 15(d)

Note 4 - Fair Value Measurements (Details Textual)

v3.22.2
Note 4 - Fair Value Measurements (Details Textual) - USD ($)
Jun. 30, 2022
Sep. 30, 2021
Debt Securities, Available-for-Sale, Total $ 28,888  
Fair Value, Inputs, Level 3 [Member]    
Debt Securities, Available-for-Sale, Total $ 0 $ 0