Statement of Stockholders' Equity (Deficit) (Unaudited) - USD ($) $ in Thousands	Common Stock Outstanding [Member]	Additional Paid-In Capital [Member]	Accumulated Deficit [Member]	Treasury Stock [Member]	Total
Balance at Mar. 31, 2019	$ 21	$ 38,427	$ (38,564)	$ (30)	$ (146)
Balance, shares at Mar. 31, 2019	21,491
Net income (loss)			83		83
Balance at Jun. 30, 2019	$ 21	38,427	(38,481)	(30)	(63)
Balance, shares at Jun. 30, 2019	21,491
Balance at Mar. 31, 2019	$ 21	38,427	(38,564)	(30)	(146)
Balance, shares at Mar. 31, 2019	21,491
Net income (loss)					95
Balance at Sep. 30, 2019	$ 21	38,427	(38,469)	(30)	(51)
Balance, shares at Sep. 30, 2019	21,491
Balance at Jun. 30, 2019	$ 21	38,427	(38,481)	(30)	(63)
Balance, shares at Jun. 30, 2019	21,491
Net income (loss)			12		12
Balance at Sep. 30, 2019	$ 21	38,427	(38,469)	(30)	(51)
Balance, shares at Sep. 30, 2019	21,491
Balance at Mar. 31, 2020	$ 28	38,609	(33,112)	(30)	5,495
Balance, shares at Mar. 31, 2020	28,262
Cash distribution to stockholders		(5,087)			(5,087)
Net income (loss)			(103)		(103)
Balance at Jun. 30, 2020	$ 28	33,522	(33,215)	(30)	305
Balance, shares at Jun. 30, 2020	28,262
Balance at Mar. 31, 2020	$ 28	38,609	(33,112)	(30)	5,495
Balance, shares at Mar. 31, 2020	28,262
Net income (loss)					(173)
Balance at Sep. 30, 2020	$ 28	33,522	(33,285)	(30)	235
Balance, shares at Sep. 30, 2020	28,262
Balance at Jun. 30, 2020	$ 28	33,522	(33,215)	(30)	305
Balance, shares at Jun. 30, 2020	28,262
Net income (loss)			(70)		(70)
Balance at Sep. 30, 2020	$ 28	$ 33,522	$ (33,285)	$ (30)	$ 235
Balance, shares at Sep. 30, 2020	28,262