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Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) $ in Thousands | Cumulative Effect, Period of Adoption, Adjustment [Member] Common Stock [Member] Common Class A [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] Common Stock [Member] Common Class C [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] Additional Paid-in Capital [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] Treasury Stock, Common [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] AOCI Attributable to Parent [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] Retained Earnings [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member] Common Stock [Member] Common Class A [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member] Common Stock [Member] Common Class C [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member] Additional Paid-in Capital [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member] Treasury Stock, Common [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member] AOCI Attributable to Parent [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member] Retained Earnings [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member] | Common Stock [Member] Common Class A [Member] | Common Stock [Member] Common Class C [Member] | Additional Paid-in Capital [Member] | Treasury Stock, Common [Member] Common Class A [Member] | Treasury Stock, Common [Member] | AOCI Attributable to Parent [Member] | Retained Earnings [Member] | Total
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Balance (in shares) (Accounting Standards Update 2016-13 [Member]) at Jun. 30, 2023 |  |  |  |  |  |  |  | 13,866,999 | 2,068,549 |  | 1,370,325 |  |  |  |  |  |  |  |  |  |  |
Balance (in shares) at Jun. 30, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 13,866,999 | 2,068,549 |  |  | 1,370,325 |  |  |
Balance (Accounting Standards Update 2016-13 [Member]) at Jun. 30, 2023 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ (183) | $ (183) | $ 347 | $ 52 | $ 16,442 | $ (3,740) | $ 1,348 | $ 37,389 | $ 51,838 |  |  |  |  |  |  |  |
Balance at Jun. 30, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 347 | $ 52 | $ 16,442 |  | $ (3,740) | $ 1,348 | $ 37,572 | $ 52,021
Repurchases of shares of Common Stock (class A), including excise tax |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 0 | 0 |  | $ (617) | 0 | 0 | (617)
Repurchases of shares of Common Stock (class A), including excise tax (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 198,213 | 198,213 |  |  |
Issuance of stock under ESPP of shares of Common Stock (class A) (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 |  |  | (5,494) |  |  |
Issuance of stock under ESPP of shares of Common Stock (class A) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 0 | 2 |  | $ 15 | 0 | 0 | 17
Dividends declared |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 | 0 |  | 0 | 0 | (322) | (322)
Other Comprehensive Income (Loss), Net of Tax |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 | 0 |  | 0 | (214) | 0 | (214)
Net income (loss) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 0 | 0 |  | $ 0 | 0 | (176) | (176)
Balance (in shares) at Sep. 30, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 13,866,999 | 2,068,549 |  |  | 1,563,044 |  |  |
Balance at Sep. 30, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 347 | $ 52 | 16,444 |  | $ (4,342) | 1,134 | 36,891 | 50,526
Balance (in shares) at Jun. 30, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 13,866,999 | 2,068,549 |  |  | 2,113,516 |  |  |
Balance at Jun. 30, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 347 | $ 52 | 16,443 |  | $ (5,880) | 584 | 37,460 | 49,006
Repurchases of shares of Common Stock (class A), including excise tax |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 0 | 0 |  | $ (525) | 0 | 0 | (525)
Repurchases of shares of Common Stock (class A), including excise tax (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 197,887 | 197,887 |  |  |
Issuance of stock under ESPP of shares of Common Stock (class A) (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 |  |  | (6,665) |  |  |
Issuance of stock under ESPP of shares of Common Stock (class A) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 0 | (1) |  | $ 18 | 0 | 0 | 17
Dividends declared |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 | 0 |  | 0 | 0 | (304) | (304)
Other Comprehensive Income (Loss), Net of Tax |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 | 0 |  | 0 | (142) | 0 | (142)
Net income (loss) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 0 | 0 |  | $ 0 | 0 | 315 | 315
Balance (in shares) at Sep. 30, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 13,866,999 | 2,068,549 |  |  | 2,304,738 |  |  |
Balance at Sep. 30, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 347 | $ 52 | $ 16,442 |  | $ (6,387) | $ 442 | $ 37,471 | $ 48,367

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