INVENTORIES (Details) - USD ($)	Jun. 30, 2018	Jun. 30, 2017
Raw materials and subassemblies	$ 1,587,454	$ 3,343,233
Work in progress	0	4,595
Less: inventory reserve	(367,006)	(865,815)
Total	$ 1,220,448	$ 2,482,013

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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