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INFORMATION AS TO EMPLOYEE STOCK PURCHASE, SAVINGS, AND SIMILAR PLANS (Details) Sheet http://nve.com/20230630/role/idr_DisclosureNote12InformationAsToEmployeeStockPurchaseSavingsAndSimilarPlansDetails NOTE 12. INFORMATION AS TO EMPLOYEE STOCK PURCHASE, SAVINGS, AND SIMILAR PLANS (Details) Details http://nve.com/20230630/role/idr_DisclosureNote12InformationAsToEmployeeStockPurchaseSavingsAndSimilarPlans 51 false false R52.htm 000520 - Disclosure - NOTE 13. SUBSEQUENT EVENTS (Details) Sheet http://nve.com/20230630/role/idr_DisclosureNote13SubsequentEventsDetails NOTE 13. SUBSEQUENT EVENTS (Details) Details http://nve.com/20230630/role/idr_DisclosureNote13SubsequentEvents 52 false false All Reports Book All Reports [dqc-0004-Element-Values-Are-Equal] Assets with a value of 69255170 is not equal to the total of AssetsCurrent, AssetsNoncurrent with a value of 30786804 + 1345438. These values should be equal. 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