Note J - Income Taxes (Details Textual) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Mar. 29, 2015	Mar. 30, 2014	Mar. 31, 2013
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	35.00%	34.00%	34.00%
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	$ 266	$ 283	$ 296
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	289	329
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense	44	43	46
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit	$ (98)

Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

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-Name Accounting Standards Codification

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The amount of the unrecognized tax benefit of a position taken for which it is reasonably possible that the total amount thereof will significantly increase or decrease within twelve months of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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- Definition

Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Amount of expense for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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