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Inventories (Details) - USD ($)	Sep. 30, 2023	Jun. 30, 2023
Inventories
Raw materials	$ 3,125,473	$ 2,999,879
Work in process	2,783,997	2,909,439
Finished goods	2,855,851	2,626,106
Allowance for obsolescence	1,261,825	1,124,690
Inventories, net	$ 7,503,496	$ 7,410,734

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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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