Condensed Consolidated Statements of Changes in Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock, Common [Member]	Total
Balance (in shares) at Mar. 31, 2023	3,677	52,965,797
Balance at Mar. 31, 2023	$ 3,310	$ 529	$ 79,792	$ (24,971)	$ (33,201)	$ 25,459
Net loss	$ 0	$ 0	0	(565)	0	(565)
Balance (in shares) at Jun. 30, 2023	3,677	52,965,797
Balance at Jun. 30, 2023	$ 3,310	$ 529	79,792	(25,536)	(33,201)	24,894
Balance (in shares) at Mar. 31, 2024	3,677	52,965,797
Balance at Mar. 31, 2024	$ 3,310	$ 529	79,792	(24,205)	(33,201)	26,225
Net loss	$ 0	$ 0	0	(962)	0	(962)
Balance (in shares) at Jun. 30, 2024	3,677	52,965,797
Balance at Jun. 30, 2024	$ 3,310	$ 529	$ 79,792	$ (25,167)	$ (33,201)	$ 25,263