Property, Plant, and Equipment (Tables)

12 Months Ended

Mar. 31, 2018

Property Plant And Equipment [Abstract]

Component of Property Plant and Equipment

As of March 31, 2018 and 2017, property, plant and equipment is comprised of the following:

	2018			2017
	(In thousands)
Computer equipment and software		323			323
Furniture and fixtures		190			193
Leasehold improvements		8			8
		521			524
Less accumulated depreciation and amortization		(507	)		(506	)
	$	14		$	18