3. BALANCE SHEET DETAIL - Property, Plant and Equipment (Details) - USD ($)	3 Months Ended		6 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Mar. 31, 2016
Property and equipment, net:
Property and equipment, gross	$ 30,314,000		$ 30,314,000		$ 30,144,000
Less: Accumulated depreciation	(22,116,000)		(22,116,000)		(21,491,000)
Property, Plant and Equipment, Net, Total	8,198,000		8,198,000		8,653,000
Depreciation	305,000	$ 277,000	629,000	$ 569,000
Computer and other equipment
Property and equipment, net:
Property and equipment, gross	18,549,000		18,549,000		18,394,000
Software
Property and equipment, net:
Property and equipment, gross	4,793,000		4,793,000		4,793,000
Land
Property and equipment, net:
Property and equipment, gross	3,900,000		3,900,000		3,900,000
Building and building improvements
Property and equipment, net:
Property and equipment, gross	2,256,000		2,256,000		2,256,000
Furniture and fixtures
Property and equipment, net:
Property and equipment, gross	110,000		110,000		114,000
Leasehold improvements
Property and equipment, net:
Property and equipment, gross	$ 706,000		$ 706,000		$ 687,000