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4. BALANCE SHEET DETAIL - Property and equipment, net (Details) - USD ($)	3 Months Ended		9 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Mar. 31, 2020
Property and equipment, net:
Property and equipment, gross	$ 31,000,000		$ 31,000,000		$ 30,888,000
Less: Accumulated depreciation	(23,556,000)		(23,556,000)		(22,769,000)
Total property and equipment, net	7,444,000		7,444,000		8,119,000
Depreciation	197,000	$ 293,000	787,000	$ 904,000
Computer and other equipment
Property and equipment, net:
Property and equipment, gross	18,289,000		18,289,000		18,191,000
Software
Property and equipment, net:
Property and equipment, gross	4,097,000		4,097,000		4,086,000
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	3,735,000		3,735,000		3,735,000
Furniture and fixtures
Property and equipment, net:
Property and equipment, gross	102,000		102,000		102,000
Leasehold improvements
Property and equipment, net:
Property and equipment, gross	$ 877,000		$ 877,000		$ 874,000

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- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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