Note 4 - Inventories - Inventory Summary (Details) - USD ($)	Jun. 30, 2023	Jun. 30, 2022
Raw materials	$ 1,299,564	$ 1,273,581
Supplies and packing materials	156,050	195,207
Finished goods	798,525	731,954
Total inventories	$ 2,254,139	$ 2,200,742

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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Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of products used directly or indirectly in the manufacturing or production process, which may or may not become part of the final product. May also include items used in the storage, presentation or transportation of physical goods.

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