Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]	AOCI Attributable to Parent [Member]	Total
Balance (in shares) at Jun. 30, 2021	9,004,365			2,567,797
Balance at Jun. 30, 2021	$ 88	$ 29,456	$ 66,949	$ (15,849)	$ (561)	$ 80,083
Compensation expense related to stock compensation plans	$ 0	222	0	$ 0	0	$ 222
Treasury Stock Acquired, Shares (in shares)	0			692		692
Unrealized gain resulting from change in fair value of derivative instruments, net of tax	$ 0	0	0	$ 0	954	$ 954
Net income (loss)	0	0	3,256	0	0	3,256
Repurchase of common stock	$ 0	0	0	$ (10)	0	(10)
Forfeiture of restricted stock (in shares)	0			16,332
Forfeiture of restricted stock	$ 0	0	0	$ 0	0	0
Balance (in shares) at Sep. 30, 2021	9,004,365			2,584,821
Balance at Sep. 30, 2021	$ 88	29,678	70,205	$ (15,859)	393	84,505
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	235	0	$ 0	0	$ 235
Treasury Stock Acquired, Shares (in shares)	0			46,795		46,795
Repurchase of common stock	$ 0	0	0	$ (497)	0	$ (497)
Unrealized gain resulting from change in fair value of derivative instruments, net of tax	0	0	0	0	545	545
Net income (loss)	$ 0	0	1,053	$ 0	0	1,053
Repurchase of common stock						(497)
Balance (in shares) at Sep. 30, 2022	9,191,406			3,108,590
Balance at Sep. 30, 2022	$ 89	$ 30,658	$ 78,714	$ (21,849)	$ 2,244	$ 89,856