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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

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