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, 2021	Mar. 31, 2020	Mar. 31, 2021	Mar. 31, 2020
Basic Numerator: Net income available to common stockholders	$ 3,868	$ 1,261	$ 9,487	$ 7,664
Basic Denominator: Weighted average shares outstanding	6,554,000	6,447,000	6,489,000	6,442,000
Basic income per common share	$ 0.59	$ 0.2	$ 1.46	$ 1.19
Shares included upon conversion of Class C Common to calculate a diluted EPS	128,000	128,000	128,000	128,000
Common Stock
Basic Numerator: Net income available to common stockholders	$ 3,634	$ 1,184	$ 8,915	$ 7,194
Basic Denominator: Weighted average shares outstanding	6,554,000	6,447,000	6,489,000	6,442,000
Basic income per common share	$ 0.55	$ 0.18	$ 1.37	$ 1.12
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	6,682,000	6,575,000	6,617,000	6,570,000
Diluted income per common share	$ 0.54	$ 0.18	$ 1.35	$ 1.1
Class C Common Stock
Basic Numerator: Net income available to common stockholders	$ 60	$ 20	$ 146	$ 120
Basic Denominator: Weighted average shares outstanding	383,000	383,000	383,000	383,000
Basic income per common share	$ 0.16	$ 0.05	$ 0.38	$ 0.31
Shares included upon conversion of Class C Common to calculate a diluted EPS
Total Denominator for diluted earnings per share	383,000	383,000	383,000	383,000
Diluted income per common share	$ 0.16	$ 0.05	$ 0.38	$ 0.26