Inventories (Details) - USD ($)	Dec. 31, 2019	Jun. 30, 2019
Inventory Disclosure [Abstract]
Raw materials consisting of purchased parts, components and supplies	$ 369,452	$ 369,747
Work-in process including units undergoing final inspection and testing	52,500	52,500
Finished goods	15,000	15,000
Total Inventory	436,952	437,247
Inventory Reserve	(436,952)	(437,247)
Net Inventory

Amount of inventory reserves for last-in first-out (LIFO) and other inventory valuation methods.

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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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Gross amount of unprocessed materials to be used in manufacturing or production process and supplies that will be consumed.

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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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