Effective Rate Reflected in Provision for Income Taxes and Amounts Determined by Applying Statutory Federal Rate (Detail) - USD ($) $ in Thousands	12 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Income Tax Disclosure [Abstract]
Statutory provision	$ (765)	$ (832)
Foreign subsidiary	(4)	(14)
State taxes	(180)	(199)
Permanent differences	12	31
Adjustment to prior year taxes	93	399
Valuation allowance	$ 844	$ 615

Income tax reconciliation, permanent differences.

No definition available.

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- Definition

Income tax reconciliation prior year income taxes refund.

+ References

No definition available.

+ Details

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- Definition

Income tax reconciliation repatriation of foreign earnings losses.

+ References

No definition available.

+ Details

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- References

No definition available.

+ Details

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- Definition

Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319

+ Details

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- Definition

The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319

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- Definition

+ References

+ Details

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