Note 7 - Inventories, Net - Inventories (Details) - USD ($)	Mar. 31, 2019	Dec. 31, 2018
Raw materials	$ 2,402,974	$ 1,994,741
Work in process	3,133,953	3,052,224
Finished goods	15,239,946	14,934,581
In Transit	451,588	480,716
Allowance for excess quantities	(390,554)	(454,774)
Total inventories	$ 20,837,907	$ 20,007,488

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

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

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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.

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