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
Compensation expense related to stock compensation plans	$ 0	725	0	$ 0	0	725
Issuance of common stock for restricted stock grants (in shares)	118,000			0
Issuance of common stock for restricted stock grants	$ 2	(2)	0	$ 0	0	0
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			5,999
Forfeiture of restricted stock	$ 0	0	0	$ 0	0	$ 0
Unrealized loss resulting from change in fair value of derivative instruments, net of tax	0	0	0	0	(1,621)	(1,621)
Net income (loss)	0	0	485	0	0	485
Repurchase of common stock	$ 0	0	0	$ (1,503)	0	(1,503)
Balance (in shares) at Mar. 31, 2023	9,309,406			3,232,193
Balance at Mar. 31, 2023	$ 91	31,146	78,146	$ (22,855)	78	86,606
Balance (in shares) at Dec. 31, 2022	9,191,406			3,177,160
Balance at Dec. 31, 2022	$ 89	30,890	80,527	$ (22,411)	435	89,530
Compensation expense related to stock compensation plans	$ 0	258	0	$ 0	0	258
Issuance of common stock for restricted stock grants (in shares)	118,000			0
Issuance of common stock for restricted stock grants	$ 2	(2)	0	$ 0	0	0
Repurchase of common stock	0	0	0	$ (444)	0	$ (444)
Treasury Stock Acquired, Shares (in shares)				49,034		49,034
Unrealized loss resulting from change in fair value of derivative instruments, net of tax	0	0	0	$ 0	(357)	$ (357)
Net income (loss)	0	0	(2,381)	0	0	(2,381)
Repurchase of common stock	$ 0	0	0	$ (444)	0	(444)
Balance (in shares) at Mar. 31, 2023	9,309,406			3,232,193
Balance at Mar. 31, 2023	$ 91	31,146	78,146	$ (22,855)	78	$ 86,606
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
Compensation expense related to stock compensation plans	$ 0	922	0	$ 0	0	922
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
Change in minimum pension liability, net of tax	0	0	0	0	(5)	(5)
Repurchase of common stock	$ 0	0	0	$ (217)	0	(217)
Treasury Stock Acquired, Shares (in shares)				36,444
Forfeiture of restricted stock (in shares)	0			3,000
Forfeiture of restricted stock	$ 0	0	0	$ 0	0	0
Unrealized loss resulting from change in fair value of derivative instruments, net of tax	0	0	0	0	(30)	(30)
Net income (loss)	0	0	(5,343)	0	0	(5,343)
Repurchase of common stock	$ 0	0	0	$ (217)	0	$ (217)
Balance (in shares) at Mar. 31, 2024	9,480,906			3,280,037		6,200,869
Balance at Mar. 31, 2024	$ 93	32,356	74,840	$ (23,072)	(118)	$ 84,099
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
Compensation expense related to stock compensation plans	$ 0	315	0	$ 0	0	315
Issuance of common stock for restricted stock grants (in shares)	151,500			0
Issuance of common stock for restricted stock grants	$ 2	(2)	0	$ 0	0	0
Change in minimum pension liability, net of tax	0	0	0	0	5	5
Repurchase of common stock	$ 0	0	0	$ (217)	0	$ (217)
Treasury Stock Acquired, Shares (in shares)				36,444		36,444
Forfeiture of restricted stock (in shares)	0			3,000
Forfeiture of restricted stock	$ 0	0	0	$ 0	0	$ 0
Unrealized loss resulting from change in fair value of derivative instruments, net of tax	0	0	0	0	119	119
Net income (loss)	0	0	(1,578)	0	0	(1,578)
Repurchase of common stock	$ 0	0	0	$ (217)	0	$ (217)
Balance (in shares) at Mar. 31, 2024	9,480,906			3,280,037		6,200,869
Balance at Mar. 31, 2024	$ 93	$ 32,356	$ 74,840	$ (23,072)	$ (118)	$ 84,099