NOTE 2 - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017
Basic Numerator: Net income available to common stockholders	$ 3,481	$ 5,900	$ 11,389	$ 13,713
Basic Denominator: Weighted average shares outstanding	6,287,000	6,166,000	6,287,000	6,143,000
Basic income per common share	$ 0.55	$ 0.96	$ 1.81	$ 2.23
Common Shares
Basic Numerator: Net income available to common stockholders	$ 3,263	$ 5,526	$ 10,675	$ 12,842
Basic Denominator: Weighted average shares outstanding	6,287,000	6,166,000	6,287,000	6,143,000
Basic income per common share	$ 0.52	$ .9	$ 1.7	$ 2.09
Shares included upon conversion of Class C Common to calculate a diluted EPS	128,000	128,000	128,000	128,000
Total Denominator for diluted earnings per share	6,415,000	6,294,000	6,415,000	6,271,000
Diluted income per common share	$ 0.51	$ 0.88	$ 1.66	$ 2.05
Class C Common Stock
Basic Numerator: Net income available to common stockholders	$ 55	$ 95	$ 182	$ 222
Basic Denominator: Weighted average shares outstanding	383,000	383,000	383,000	383,000
Basic income per common share	$ 0.15	$ 0.25	$ 0.48	$ 0.58
Total Denominator for diluted earnings per share	383,000	383,000	383,000	383,000
Diluted income per common share	$ 0.15	$ 0.25	$ 0.48	$ 0.58