Statement of Stockholders' Equity (Deficit) (Unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Total
Beginning balance, value at Mar. 31, 2020	$ 28	$ 38,609	$ (33,112)	$ (30)	$ 5,495
Beginning balance, shares at Mar. 31, 2020	28,262
Cash distribution to stockholders		(5,087)			(5,087)
Net loss			(103)		(103)
Ending balance, value at Jun. 30, 2020	$ 28	33,522	(33,215)	(30)	305
Ending balance, shares at Jun. 30, 2020	28,262
Beginning balance, value at Mar. 31, 2020	$ 28	38,609	(33,112)	(30)	5,495
Beginning balance, shares at Mar. 31, 2020	28,262
Net loss					(173)
Ending balance, value at Sep. 30, 2020	$ 28	33,522	(33,285)	(30)	235
Ending balance, shares at Sep. 30, 2020	28,262
Beginning balance, value at Jun. 30, 2020	$ 28	33,522	(33,215)	(30)	305
Beginning balance, shares at Jun. 30, 2020	28,262
Net loss			(70)		(70)
Ending balance, value at Sep. 30, 2020	$ 28	33,522	(33,285)	(30)	235
Ending balance, shares at Sep. 30, 2020	28,262
Beginning balance, value at Mar. 31, 2021	$ 28	33,522	(33,438)	(30)	82
Beginning balance, shares at Mar. 31, 2021	28,262
Net loss			(47)		(47)
Ending balance, value at Jun. 30, 2021	$ 28	33,522	(33,485)	(30)	35
Ending balance, shares at Jun. 30, 2021	28,262
Beginning balance, value at Mar. 31, 2021	$ 28	33,522	(33,438)	(30)	82
Beginning balance, shares at Mar. 31, 2021	28,262
Net loss					(194)
Ending balance, value at Sep. 30, 2021	$ 28	33,522	(33,632)	(30)	(112)
Ending balance, shares at Sep. 30, 2021	28,262
Beginning balance, value at Jun. 30, 2021	$ 28	33,522	(33,485)	(30)	35
Beginning balance, shares at Jun. 30, 2021	28,262
Net loss			(147)		(147)
Ending balance, value at Sep. 30, 2021	$ 28	$ 33,522	$ (33,632)	$ (30)	$ (112)
Ending balance, shares at Sep. 30, 2021	28,262