NOTE 2 - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Earnings Per Share - (Details) - USD ($)	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Basic Numerator: Net Income Available to Common Stockholders	$ 15,317,131	$ 21,230,802	$ 19,620,621
Common Shares
Basic Numerator: Net Income Available to Common Stockholders	$ 14,366,798	$ 19,899,823	$ 18,390,586
Basic Denominator: Weighted Average Shares Outstanding	6,354,103	6,287,510	6,161,599
Basic Income Per Common Share	$ 2.26	$ 3.16	$ 2.98
Shares included upon conversion of Class C Common to calculate a diluted EPS	127,504	127,504	127,504
Total Denominator for Diluted Earnings Per Share	6,481,607	6,415,014	6,289,103
Diluted Income per Common Share	$ 2.22	$ 3.1	$ 2.92
Class C Common Stock
Basic Numerator: Net Income Available to Common Stockholders	$ 242,031	$ 338,974	$ 313,266
Basic Denominator: Weighted Average Shares Outstanding	382,513	382,513	382,513
Basic Income Per Common Share	$ 0.63	$ 0.89	$ 0.82
Shares included upon conversion of Class C Common to calculate a diluted EPS
Total Denominator for Diluted Earnings Per Share	382,513	382,513	382,513
Diluted Income per Common Share	$ 0.63	$ 0.89	$ 0.82
Total
Basic Numerator: Net Income Available to Common Stockholders	$ 15,317,131	$ 21,230,802	$ 19,620,621
Basic Denominator: Weighted Average Shares Outstanding	6,354,103	6,287,510	6,161,599
Basic Income Per Common Share	$ 2.41	$ 3	$ 3.18