Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock, Common [Member]	AOCI Attributable to Parent [Member]	Total
Balance (in shares) at Jun. 30, 2022	9,191,406			3,061,795
Balance at Jun. 30, 2022	$ 89	$ 30,423	$ 77,661	$ (21,352)	$ 1,699	$ 88,520
Issuance of common stock for restricted stock grants (in shares)	123,000			0
Issuance of common stock for restricted stock grants	$ 2	(2)	0	$ 0	0	0
Compensation expense related to stock compensation plans	0	1,015	0	0	0	1,015
Repurchase of common stock	$ 0	0	0	$ (1,503)	0	$ (1,503)
Treasury Stock Acquired, Shares (in shares)				164,399		164,399
Forfeiture of restricted stock (in shares)	0			14,399
Forfeiture of restricted stock	$ 0	0	0	$ 0	0	$ 0
Change in minimum pension liability, net of tax	0	0	0	0	64	64
Unrealized loss resulting from change in fair value of derivative instruments, net of tax	0	0	0	0	(1,846)	(1,846)
Net income	0	0	2,522	0	0	2,522
Repurchase of common stock	$ 0	0	0	$ (1,503)	0	$ (1,503)
Balance (in shares) at Jun. 30, 2023	9,314,406			3,240,593		6,073,813
Balance at Jun. 30, 2023	$ 91	31,436	80,183	$ (22,855)	(83)	$ 88,772
Issuance of common stock for restricted stock grants (in shares)	166,500			0
Issuance of common stock for restricted stock grants	$ 2	(2)	0	$ 0	0	0
Compensation expense related to stock compensation plans	0	1,200	0	0	0	1,200
Repurchase of common stock	$ 0	0	0	$ (221)	0	$ (221)
Treasury Stock Acquired, Shares (in shares)				37,128		37,128
Forfeiture of restricted stock (in shares)	0			3,000
Forfeiture of restricted stock	$ 0	0	0	$ 0	0	$ 0
Change in minimum pension liability, net of tax	0	0	0	0	102	102
Unrealized loss resulting from change in fair value of derivative instruments, net of tax	0	0	0	0	(41)	(41)
Net income	0	0	(7,217)	0	0	(7,217)
Repurchase of common stock	$ 0	0	0	$ (221)	0	$ (221)
Balance (in shares) at Jun. 30, 2024	9,480,906			3,280,721		6,200,185
Balance at Jun. 30, 2024	$ 93	$ 32,634	$ 72,966	$ (23,076)	$ (22)	$ 82,595