NOTE 2 - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Basic Numerator: Net income available to common stockholders	$ 3,318	$ 3,719
Basic Denominator: Weighted average shares outstanding	6,344,000	6,287,000
Common Shares
Basic Numerator: Net income available to common stockholders	$ 3,113	$ 3,486
Basic Denominator: Weighted average shares outstanding	6,344,000	6,287,000
Basic income per common share	$ 0.49	$ 0.55
Shares included upon conversion of Class C Common to calculate a diluted EPS	128,000	128,000
Total Denominator for diluted earnings per share	6,472,000	6,415,000
Diluted income per common share	$ 0.48	$ 0.54
Class C Common Stock
Basic Numerator: Net income available to common stockholders	$ 52	$ 59
Basic Denominator: Weighted average shares outstanding	383,000	383,000
Basic income per common share	$ 0.14	$ 0.16
Total Denominator for diluted earnings per share	383,000	383,000
Diluted income per common share	$ 0.14	$ 0.16