Quarterly report pursuant to Section 13 or 15(d)

Note 1 - Summary of Significant Accounting Policies (Details Textual)

v3.21.2
Note 1 - Summary of Significant Accounting Policies (Details Textual) - USD ($)
Sep. 30, 2021
Dec. 31, 2020
Notes Payable, Fair Value Disclosure $ 0 $ 745,000