The components of inventory were as follows: (Details) - USD ($)	Dec. 31, 2023	Jun. 30, 2023
Inventory Disclosure [Abstract]
Parts inventory	$ 3,666,000	$ 3,420,000
Work in process	507,000	470,000
Finished goods	708,000	323,000
Estimated inventory to be returned	261,000	265,000
Less: Reserve for obsolescence	(382,000)	(257,000)
Total	$ 4,760,000	$ 4,221,000

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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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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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Gross amount of merchandise or supplies to which the entity holds the title but does not hold physical possession because the goods are currently being transported.

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Amount before valuation and LIFO reserves of other supplies used within the manufacturing or production process expected to be consumed within one year or operating cycle, if longer.

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