NOTES PAYABLE - Long-term debt (Parentheticals) (Details) - USD ($)	12 Months Ended
Jun. 30, 2022	Jun. 30, 2021
Nodaway Valley Bank
Debt Instrument [Line Items]
Line-of-credit agreement, amount	$ 350,000	$ 350,000
Line of Credit Facility, Expiration date	Jan. 04, 2023	Jan. 04, 2023
Interest rate	5.00%	5.00%
Toyota Credit: $444 monthly payments, interest of 6.49%; final payment due May 2022, secured by a vehicle.
Debt Instrument [Line Items]
Line-of-credit agreement, amount	$ 444	$ 444
Interest rate	6.49%	6.49%
Maturity date	May 01, 2022	May 01, 2022

Contractual interest rate for funds borrowed, under the debt agreement.

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Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Date the credit facility terminates, in YYYY-MM-DD format.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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