SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Earnings Per Share - (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Basic Numerator: Net income available to common stockholders	$ 3,759	$ 2,232	$ 7,865	$ 4,279
Basic Denominator: Weighted average shares outstanding	6,437	6,527	6,448	6,534
Basic income per common share	$ 0.58	$ 0.34	$ 1.22	$ 0.65
Common Class C [Member]
Basic Numerator: Net income available to common stockholders	$ 59	$ 34	$ 125	$ 66
Basic Denominator: Weighted average shares outstanding	383	383	383	383
Basic income per common share	$ 0.16	$ 0.09	$ 0.33	$ 0.17
Diluted Denominator: Weighted average shares outstanding	383	383	383	383
Convertible Class C Stock
Total Denominator for Diluted Earnings Per Share	383	383	383	383
Diluted Income per Common Share	$ 0.16	$ 0.09	$ 0.33	$ 0.17
Common Stock [Member]
Basic Numerator: Net income available to common stockholders	$ 3,525	$ 2,097	$ 7,375	$ 4,020
Basic Denominator: Weighted average shares outstanding	6,437	6,527	6,448	6,534
Basic income per common share	$ 0.55	$ 0.32	$ 1.14	$ 0.62
Diluted Denominator: Weighted average shares outstanding	6,437	6,527	6,448	6,534
Convertible Class C Stock	128	128	128	128
Total Denominator for Diluted Earnings Per Share	6,565	6,655	6,576	6,662
Diluted Income per Common Share	$ 0.54	$ 0.32	$ 1.12	$ 0.60