Inventories (Details) - USD ($)	Dec. 31, 2019	Jun. 30, 2019
Inventory Disclosure [Abstract]
Raw material	$ 5,991,584	$ 4,830,207
Work-in-process	462,383	224,252
Finished goods	5,176,194	2,743,361
Inventory, gross	11,630,161	7,797,820
Less valuation reserve	(444,258)	(444,258)
Inventory, net	$ 11,185,903	$ 7,353,562

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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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Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

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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 of valuation reserve for inventory.

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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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