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, 2022	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2021
Basic Numerator: Net income available to common stockholders	$ 2,232	$ 4,020	$ 4,279	$ 7,907
Basic Numerator: Net income available to common stockholders	$ 2,097	$ 3,777	$ 4,020	$ 7,430
Basic Denominator: Weighted average shares outstanding	6,527	6,554	6,534	6,554
Basic income per common share	$ 0.34	$ 0.61	$ 0.65	$ 1.21
Diluted Income per Common Share	$ 0.32	$ 0.57	$ 0.60	$ 1.11
Common Class C [Member]
Basic Numerator: Net income available to common stockholders	$ 34	$ 62	$ 66	$ 122
Basic Denominator: Weighted average shares outstanding	383	383	383	383
Basic income per common share	$ 0.09	$ 0.16	$ 0.17	$ 0.32
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	$ 0.09	$ 0.16	$ 0.17	$ 0.32
Common Stock [Member]
Basic Numerator: Net income available to common stockholders
Basic Numerator: Net income available to common stockholders	$ 2,097	$ 3,777	$ 4,020	$ 7,430
Basic Denominator: Weighted average shares outstanding	6,527	6,554	6,534	6,554
Basic income per common share	$ 0.32	$ 0.58	$ 0.62	$ 1.13
Diluted Denominator: Weighted average shares outstanding	6,527	6,554	6,534	6,554
Convertible Class C Stock	128	128	128	128
Total Denominator for Diluted Earnings Per Share	6,655	6,682	6,662	6,682
Diluted Income per Common Share	$ 0.32	$ 0.57	$ 0.60	$ 1.11