Note 6 - Inventory, Net (Details Textual) - USD ($)
|3 Months Ended|
Mar. 31, 2023
Mar. 31, 2022
|Finished Goods [Member]|
|Inventory, Allocated to Research and Development Expense||$ 0||$ 4,054|
Represents finished goods inventory allocated to research and development expense during the period.
No definition available.