NOTE 2 - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Earnings Per Share - (Details) - USD ($)	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Basic Numerator: Net Income Available to Common Stockholders	$ 21,230,802	$ 19,620,621	$ 15,724,625
Common Shares
Basic Numerator: Net Income Available to Common Stockholders	$ 19,899,823	$ 18,390,586	$ 14,702,834
Basic Denominator: Weighted Average Shares Outstanding	6,287,510	6,161,599	6,050,893
Basic Income Per Common Share	$ 3.16	$ 2.98	$ 2.43
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	6,415,014	6,289,103	6,178,397
Diluted Income per Common Share	$ 3.1	$ 2.92	$ 2.38
Class C Common Stock
Basic Numerator: Net Income Available to Common Stockholders	$ 338,974	$ 313,266	$ 260,230
Basic Denominator: Weighted Average Shares Outstanding	382,513	382,513	382,513
Basic Income Per Common Share	$ 0.89	$ 0.82	$ 0.68
Total Denominator for Diluted Earnings Per Share	382,513	382,513	382,513
Diluted Income per Common Share	$ 0.89	$ 0.82	$ 0.68
Total
Basic Numerator: Net Income Available to Common Stockholders	$ 21,230,802	$ 19,620,621	$ 15,724,625
Basic Denominator: Weighted Average Shares Outstanding	6,287,510	6,161,599	6,050,893
Basic Income Per Common Share	$ 3.38	$ 3.18	$ 2.6