NOTES PAYABLE - Long-term debt (Parentheticals) (Details) - USD ($)	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Nodaway Valley Bank: $350,000 line-of-credit agreement expiring on January 4, 2017, with a variable interest rate at prime but not less than 5%
Debt Instrument [Line Items]
Line-of-credit agreement, amount	$ 350,000	$ 350,000
Interest rate, description	Variable interest rate at prime	Variable interest rate at prime
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]
Notes payable, periodic payment	$ 705	$ 705
Notes payable, frequency	Monthly	Monthly
Interest rate	5.80%	5.80%
Toyota Credit: $364 monthly payments including interest of 3.5% due December 2020, secured by a vehicle
Debt Instrument [Line Items]
Notes payable, periodic payment	$ 364	$ 364
Notes payable, frequency	Monthly	Monthly
Interest rate	3.50%	3.50%
Ford Credit: $468 monthly payments, interest of 2.9%; final payment due January 2019, secured by a vehicle
Debt Instrument [Line Items]
Notes payable, periodic payment	$ 468	$ 468
Notes payable, frequency	Monthly	Monthly
Interest rate	2.90%	2.90%
Ford Credit: $517 monthly payments, interest of 0%; final payment due March 2016, secured by a vehicle
Debt Instrument [Line Items]
Notes payable, periodic payment	$ 517	$ 517
Notes payable, frequency	Monthly	Monthly
Interest rate	0.00%	0.00%