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Note 6 - Equity Incentive Plan and Stock-Based Compensation (Details) - Fair Value of Each Stock Option was Estimated at the Date of Grant using a Black-Scholes option (Employee Stock Option [Member])
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3 Months Ended | |
|---|---|---|
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Jun. 29, 2014
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Jun. 30, 2013
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|
|
Employee Stock Option [Member]
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| Note 6 - Equity Incentive Plan and Stock-Based Compensation (Details) - Fair Value of Each Stock Option was Estimated at the Date of Grant using a Black-Scholes option [Line Items] | ||
| Expected volatility | 43.79% | 49.45% |
| Risk-free interest rate | 1.15% | 0.85% |
| Expected term (in years) | 4 years 127 days | 4 years 127 days |
| Dividend yield | 0.00% | 0.00% |