Inventories (Details) - USD ($)	Dec. 31, 2021	Jun. 30, 2021
Inventories
Raw materials	$ 5,270,792	$ 3,863,212
Work in process	906,871	784,460
Finished goods	3,514,833	2,505,399
Inventory reserve	(368,341)	(626,976)
Inventories, net	$ 9,324,155	$ 6,526,095

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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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