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4. BALANCE SHEET DETAIL - Property and equipment, net (Details) - USD ($)	12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2023
Property and equipment, net:
Property and equipment, gross	$ 23,188,000	$ 24,012,000
Less: Accumulated depreciation	(22,380,000)	(22,864,000)
Total property and equipment, net	808,000	1,148,000
Depreciation	432,000	693,000	$ 782,000
Computer and other equipment
Property and equipment, net:
Property and equipment, gross	17,733,000	18,555,000
Software
Property and equipment, net:
Property and equipment, gross	4,426,000	4,428,000
Furniture and fixtures
Property and equipment, net:
Property and equipment, gross	102,000	102,000
Leasehold improvements
Property and equipment, net:
Property and equipment, gross	$ 927,000	$ 927,000

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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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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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