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INVENTORIES - Inventories (Details) - USD ($) | Jun. 30, 2022 | Jun. 30, 2021
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Inventory Disclosure [Abstract] |  |
Purchased parts, components and supplies | $ 2,125,805 | $ 1,393,329
Work-in-process | 234,016 | 270,090
Inventories | $ 2,359,821 | $ 1,663,419

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- Definition Amount before valuation reserves of merchandise or goods held by the entity that are readily available for sale and items held by the entity which are partially complete or in the process of being readied for sale. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(6)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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