Note 3 - Stock-Based Compensation (Details) - Summary of the Company's Stock Options (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
Jun. 29, 2013	Mar. 30, 2013
Summary of the Company's Stock Options [Abstract]
Number Of Shares		554
Weighted Average Exercise Price Per Share (in Dollars per share)		$ 6.02
Weighted Average Remaining Contractual Term (in years)	4 years
Aggregate Intrinsic Value (in Dollars)	$ 634
Exercisable as of June 29, 2013	545
Exercisable as of June 29, 2013 (in Dollars per share)	$ 6.02
Exercisable as of June 29, 2013	3 years
Exercisable as of June 29, 2013 (in Dollars)	$ 632
Exercised	(1)
Exercised (in Dollars per share)	$ 2.20
Cancelled/Forfeited	(2)
Cancelled/Forfeited (in Dollars per share)	$ 7.72
Number Of Shares	551	554
Weighted Average Exercise Price Per Share (in Dollars per share)	$ 6.03	$ 6.02

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of fully vested and expected to vest options that are exercisable.

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The number of exercisable share options (fully vested and expected to vest) that may be converted as of the balance sheet date.

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As of the balance sheet date, the weighted-average exercise price (at which grantees can acquire the shares reserved for issuance) for exercisable stock options that are fully vested or expected to vest.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of fully vested and expected to vest options outstanding.

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As of the balance sheet date, the number of shares into which fully vested and expected to vest stock options outstanding can be converted under the option plan.

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As of the balance sheet date, the weighted-average exercise price for outstanding stock options that are fully vested or expected to vest.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Weighted average remaining contractual term of exercisable stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of share options (or share units) exercised during the current period.

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