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Note 4 - Inventory - Inventory (Details) - USD ($)
Sep. 30, 2021
Dec. 31, 2020
Raw materials $ 14,908 $ 2,628,153
Work in-process 28,010,781 15,415,425
Finished goods 1,647,355 2,221,941
Inventory $ 29,673,044 $ 20,265,519