NOTES PAYABLE - Long-term debt (Parentheticals) (Details) - USD ($)	12 Months Ended
Jun. 30, 2020	Jun. 30, 2019
Nodaway Valley Bank: $350,000 line-of-credit agreement expiring on January 4, 2021, with a variable interest rate at prime but not less than 5%. The line-of-credit is collateralized by substantially all assets of the Company.
Debt Instrument [Line Items]
Line-of-credit agreement, amount	$ 350,000	$ 350,000
Line of Credit Facility, Expiration date	Jan. 04, 2021	Jan. 04, 2021
Interest rate	5.00%	5.00%
Ford Credit: $705 monthly payments, interest of 5.8%; final payment due October 2021, secured by a vehicle.
Debt Instrument [Line Items]
Line-of-credit agreement, amount	$ 705	$ 705
Notes payable, frequency	monthly	monthly
Interest rate	5.80%	5.80%
Maturity date	Oct. 31, 2021	Oct. 31, 2021
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
Notes payable, frequency	monthly	monthly
Interest rate	6.49%	6.49%
Maturity date	May 01, 2022	May 01, 2022
Nodaway Valley Bank Paycheck Protection Program (PPP) Promissory Note
Debt Instrument [Line Items]
Notes payable, periodic payment	$ 9,652	$ 9,652
Notes payable, frequency	monthly	monthly
Interest rate	1.00%	1.00%
Maturity date	Apr. 10, 2022	Apr. 10, 2022
Monthly payment	$ 9,652	$ 9,652

Description of the frequency of periodic payments (monthly, quarterly, annual).

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

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Paragraph 2
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Date the credit facility terminates, in CCYY-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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