CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Preferred Stock	Common Stock	Additional Paid-In Capital	Accumulated Deficit	Treasury Stock
Balance at Mar. 31, 2019	$ 38,728	$ 3,310	$ 529	$ 79,792	$ (11,702)	$ (33,201)
Balance (in shares) at Mar. 31, 2019			52,965,797
Net loss	(4,307)				(4,307)
Balance at Mar. 31, 2020	$ 34,421	3,310	$ 529	79,792	(16,009)	(33,201)
Balance (in shares) at Mar. 31, 2020	52,965,797		52,965,797
Net loss	$ (3,976)				(3,976)
Balance at Mar. 31, 2021	$ 30,445	$ 3,310	$ 529	$ 79,792	$ (19,985)	$ (33,201)
Balance (in shares) at Mar. 31, 2021	52,965,797		52,965,797