NOTES PAYABLE AND LINE OF CREDIT - Long-term debt (Parentheticals) (Details) - USD ($)	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Nodaway Valley Bank: $350,000 line-of-credit agreement expiring on January 4, 2020, 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, 2020	Jan. 04, 2020
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 $364 monthly payments, interest of 3.5%; final payment due December 2020, secured by a vehicle.
Debt Instrument [Line Items]
Line-of-credit agreement, amount	$ 364	$ 364
Notes payable, frequency	Monthly	Monthly
Interest rate	3.50%	3.50%
Maturity date	Dec. 31, 2020	Dec. 31, 2020
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