CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (Unaudited) - USD ($) $ in Thousands	Total	Preferred Stock	Common Stock	Additional Paid-In Capital	Accumulated Deficit	Treasury Stock
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
Net loss	(2,081)				(2,081)
Balance at Sep. 30, 2020	32,340	3,310	$ 529	79,792	(18,090)	(33,201)
Balance (in shares) at Sep. 30, 2020			52,965,797
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
Net loss	$ (1,547)				(1,547)
Balance at Sep. 30, 2021	$ 28,898	$ 3,310	$ 529	$ 79,792	$ (21,532)	$ (33,201)
Balance (in shares) at Sep. 30, 2021	52,965,797		52,965,797