Inventories (Details) - USD ($)	Jun. 30, 2018	Jun. 30, 2017
Inventory Disclosure [Abstract]
Raw materials	$ 2,309,454	$ 2,282,880
Work in process	2,506,891	1,654,653
Finished goods	2,263,121	1,904,497
Reserve for obsolescence	(674,725)	(767,454)
Inventories, net	$ 6,404,741	$ 5,074,576

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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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