Component of Property Plant and Equipment (Detail) - USD ($)	Mar. 31, 2020	Mar. 31, 2019
Property Plant And Equipment [Abstract]
Computer equipment and software	$ 217,000	$ 243,000
Furniture and fixtures	167,000	167,000
Leasehold improvements	8,000	8,000
Property, Plant and Equipment, Gross, Total	392,000	418,000
Less accumulated depreciation and amortization	(388,000)	(412,000)
Property, plant and equipment, net	$ 4,000	$ 6,000

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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- Definition

Amount before accumulated depreciation of equipment commonly used in offices and stores that have no permanent connection to the structure of a building or utilities. Examples include, but are not limited to, desks, chairs, tables, and bookcases.

+ References

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- Definition

Amount before accumulated depreciation of additions or improvements to assets held under a lease arrangement.

+ References

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- References

No definition available.

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- Definition

Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

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- Definition

Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

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- Definition

Amount before accumulated depreciation, depletion and amortization of other physical assets used in the normal conduct of business to produce goods and services and not intended for resale.

+ References

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