XML 58 R48.htm IDEA: XBRL DOCUMENT v3.22.2
Note 7 - Long-term Debt - Notes Payable (Details) - Senior Promissory Notes [Member] - USD ($)
Jun. 30, 2022
Jun. 22, 2022
Dec. 31, 2021
Senior Promissory Notes $ 6,000,000 $ 6,000,000.0 $ 0
Less: unamortized debt discount (657,813) $ (664,704) 0
Senior Promissory Notes payable 5,342,187   0
Current portion of Senior Promissory Notes payable 0   0
Senior Promissory Notes payable, less current portion $ 5,342,187   $ 0