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Note 5 - Inventories, Net - Components of Inventories (Details) - USD ($)	Sep. 30, 2021	Dec. 31, 2020
Raw materials	$ 1,168,237	$ 928,221
Work-in-process	297,507	195,618
Inventories	$ 1,465,744	$ 1,123,839

X

- Definition

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

+ References

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-Publisher FASB
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- Definition

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

+ References

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- Definition

Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer.

+ References

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-Publisher FASB
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