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, 2023	9,314,406			3,240,593
Balance at Jun. 30, 2023	$ 91	$ 31,436	$ 80,183	$ (22,855)	$ (83)	$ 88,772
Compensation expense related to stock compensation plans	0	607	0	0	0	607
Change in minimum pension liability, net of tax	0	0	0	0	(10)	(10)
Unrealized gain resulting from change in fair value of derivative instruments, net of tax	0	0	0	0	(149)	(149)
Net loss	$ 0	0	(3,765)	$ 0	0	(3,765)
Balance (in shares) at Dec. 31, 2023	9,329,406			3,240,593
Balance at Dec. 31, 2023	$ 91	32,043	76,418	$ (22,855)	(242)	$ 85,455
Treasury Stock Acquired, Shares (in shares)						0
Issuance of common stock for restricted stock grants (in shares)	15,000			0
Issuance of common stock for restricted stock grants	$ 0	0	0	$ 0	0	$ 0
Balance (in shares) at Sep. 30, 2023	9,329,406			3,240,593
Balance at Sep. 30, 2023	$ 91	31,738	79,488	$ (22,855)	353	88,815
Compensation expense related to stock compensation plans	0	305	0	0	0	305
Change in minimum pension liability, net of tax	0	0	0	0	(5)	(5)
Unrealized gain resulting from change in fair value of derivative instruments, net of tax	0	0	0	0	(590)	(590)
Net loss	$ 0	0	(3,070)	$ 0	0	(3,070)
Balance (in shares) at Dec. 31, 2023	9,329,406			3,240,593
Balance at Dec. 31, 2023	$ 91	32,043	76,418	$ (22,855)	(242)	$ 85,455
Treasury Stock Acquired, Shares (in shares)						0
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
Compensation expense related to stock compensation plans	0	553	0	0	0	553
Change in minimum pension liability, net of tax	0	0	0	0	(8)	(8)
Unrealized gain resulting from change in fair value of derivative instruments, net of tax	0	0	0	0	182	182
Net loss	$ 0	0	(4,173)	$ 0	0	$ (4,173)
Balance (in shares) at Dec. 31, 2024	9,480,906			3,282,128		6,198,778
Balance at Dec. 31, 2024	$ 93	33,187	68,793	$ (23,084)	152	$ 79,141
Repurchase of common stock	$ 0	0	0	$ (8)	0	$ (8)
Treasury Stock Acquired, Shares (in shares)				1,407		1,407
Balance (in shares) at Sep. 30, 2024	9,480,906			3,282,128
Balance at Sep. 30, 2024	$ 93	32,910	70,984	$ (23,084)	(718)	$ 80,185
Compensation expense related to stock compensation plans	0	277	0	0	0	277
Change in minimum pension liability, net of tax	0	0	0	0	6	6
Unrealized gain resulting from change in fair value of derivative instruments, net of tax	0	0	0	0	864	864
Net loss	$ 0	0	(2,191)	$ 0	0	$ (2,191)
Balance (in shares) at Dec. 31, 2024	9,480,906			3,282,128		6,198,778
Balance at Dec. 31, 2024	$ 93	$ 33,187	$ 68,793	$ (23,084)	$ 152	$ 79,141
Treasury Stock Acquired, Shares (in shares)						0