CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($)	Total	Preferred Stock	Common Stock	Additional Paid-In Capital	Accumulated Deficit	Treasury Stock
Balance at Mar. 31, 2016	$ 57,230,000	$ 3,310,000	$ 529,000	$ 79,792,000	$ (2,177,000)	$ (24,224,000)
Balance (in shares) at Mar. 31, 2016			52,965,797
Purchase of treasury stock	(66,000)					(66,000)
Net loss	(237,000)				(237,000)
Balance at Mar. 31, 2017	$ 56,927,000	3,310,000	$ 529,000	79,792,000	(2,414,000)	(24,290,000)
Balance (in shares) at Mar. 31, 2017	52,965,797		52,965,797
Purchase of treasury stock	$ (6,293,000)		$ (6,292,620)			(6,293,000)
Net loss	(6,851,000)				(6,851,000)
Balance at Mar. 31, 2018	$ 43,783,000	$ 3,310,000	$ 529,000	$ 79,792,000	$ (9,265,000)	$ (30,583,000)
Balance (in shares) at Mar. 31, 2018	52,965,797		52,965,797