Quarterly report pursuant to Section 13 or 15(d)

Note 6 - Inventory (Details Textual)

v3.21.2
Note 6 - Inventory (Details Textual) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2021
Finished Goods [Member]    
Inventory, Allocated to Research and Development Expense $ 1,000 $ 5,000