Note 2 - Inventories - Schedule of Inventory (Details) - USD ($)	Jun. 30, 2021	Dec. 31, 2020
Finished goods	$ 197,212	$ 95,898
Raw materials	86,284	151,366
Work-In-Process	34,330	42,271
Total	$ 317,826	$ 289,535

Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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