Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Preferred Stock [Member]
Statement [Line Items]
Balance	$ 3,310	$ 3,310
Net (loss)	0	0
Balance	3,310	3,310
Common Stock [Member]
Statement [Line Items]
Balance	$ 529	$ 529
Balance (in shares)	52,965,797	52,965,797
Net (loss)	$ 0	$ 0
Balance	$ 529	$ 529
Balance (in shares)	52,965,797	52,965,797
Additional Paid-in Capital [Member]
Statement [Line Items]
Balance	$ 79,792	$ 79,792
Net (loss)	0	0
Balance	79,792	79,792
Retained Earnings [Member]
Statement [Line Items]
Balance	(23,611)	(19,985)
Net (loss)	(1,360)	(3,626)
Balance	(24,971)	(23,611)
Treasury Stock, Common [Member]
Statement [Line Items]
Balance	(33,201)	(33,201)
Net (loss)	0	0
Balance	(33,201)	(33,201)
Balance	26,819	30,445
Net (loss)	(1,360)	(3,626)
Balance	$ 25,459	$ 26,819