Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands	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]	AOCI Attributable to Parent [Member]	Retained Earnings [Member]	Common Class A [Member]	Total
Balance (in shares) at Jun. 30, 2024								13,866,999	2,068,549
Balance at Jun. 30, 2024								$ 347	$ 52	$ 16,443	$ (5,880)	$ 584	$ 37,460		$ 49,006
Balance (in shares) at Jun. 30, 2024											2,113,516
Repurchases of Common stock (class A), including excise tax (in shares)								0	0		801,043			801,043
Repurchases of Common stock (class A), including excise tax								$ 0	$ 0	0	$ (1,984)	0	0		(1,984)
Issuance of Common stock (class A) under ESPP (in shares)								0	0		(30,247)
Issuance of Common stock (class A) under ESPP								$ 0	$ 0	(10)	$ 83	0	0		73
Share-based compensation, adjustment for forfeitures, net of tax								0	0	(1)	0	0	0		(1)
Share-based compensation, net of tax								0	0	124	0	0	0		124
Dividends declared								0	0	0	0	0	(1,191)		(1,191)
Other Comprehensive Income (Loss), Net of Tax								0	0	0	0	(486)	0		(486)
Net income (loss)								$ 0	$ 0	0	$ 0	0	(334)		(334)
Balance (in shares) (Accounting Standards Update 2016-13 [Member]) at Jun. 30, 2025	13,866,999	2,068,549
Balance (Accounting Standards Update 2016-13 [Member]) at Jun. 30, 2025	$ 347	$ 52	$ 16,556	$ (7,781)	$ 98	$ 35,935	$ 45,207
Balance at Jun. 30, 2025															$ 45,207
Balance (in shares) (Accounting Standards Update 2016-13 [Member]) at Jun. 30, 2025				2,884,312
Balance (in shares) at Jun. 30, 2025															2,884,312
Repurchases of Common stock (class A), including excise tax (in shares)								0	0		733,848			733,848
Repurchases of Common stock (class A), including excise tax								$ 0	$ 0	0	$ (1,981)	0	0		$ (1,981)
Issuance of Common stock (class A) under ESPP (in shares)								0	0		(27,143)
Issuance of Common stock (class A) under ESPP								$ 0	$ 0	(1)	$ 73	0	0		72
Share-based compensation, net of tax								0	0	9	0	0	0		9
Dividends declared								0	0	0	0	0	(1,125)		(1,125)
Other Comprehensive Income (Loss), Net of Tax								0	0	0	0	(98)	0		(98)
Net income (loss)								$ 0	$ 0	0	0	0	3,055		3,055
Balance (in shares) at Jun. 30, 2026								13,866,999	2,068,549
Balance at Jun. 30, 2026								$ 347	$ 52	$ 16,564	$ (9,689)	$ 0	$ 37,865		$ 45,139
Balance (in shares) at Jun. 30, 2026											3,591,017				3,591,017