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3. BALANCE SHEET DETAIL - Property, Plant and Equipment (Details) - USD ($)	12 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2015
Property and equipment, net:
Property and equipment, gross	$ 30,360,000	$ 30,144,000
Less: Accumulated depreciation	(22,671,000)	(21,491,000)
Property, Plant and Equipment, Net, Total	7,689,000	8,653,000
Depreciation	1,183,000	1,217,000	$ 1,462,000
Computer and other equipment
Property and equipment, net:
Property and equipment, gross	18,585,000	18,394,000
Software
Property and equipment, net:
Property and equipment, gross	4,793,000	4,793,000
Land
Property and equipment, net:
Property and equipment, gross	3,900,000	3,900,000
Building and building improvements
Property and equipment, net:
Property and equipment, gross	2,256,000	2,256,000
Furniture and fixtures
Property and equipment, net:
Property and equipment, gross	111,000	114,000
Leasehold improvements
Property and equipment, net:
Property and equipment, gross	$ 715,000	$ 687,000

X

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
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-Section S99
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- Definition

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.

+ References

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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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+ References

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