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Note 3 - Stock-Based Compensation (Details) - Non-Vested Performance-Based Restricted Stock Units (USD $)
In Thousands, except Per Share data, unless otherwise specified
Jun. 28, 2014
Performance Based Restricted Stock Awards Granted in April 2012 [Member]
 
Note 3 - Stock-Based Compensation (Details) - Non-Vested Performance-Based Restricted Stock Units [Line Items]  
Total Number of Units Granted 24
Grant Date Fair Value Per Unit $ 13.11
Performance Based Restricted Stock Awards Granted in April 2013 [Member]
 
Note 3 - Stock-Based Compensation (Details) - Non-Vested Performance-Based Restricted Stock Units [Line Items]  
Total Number of Units Granted 102
Grant Date Fair Value Per Unit $ 6.17
Performance Based Restricted Stock Awards Granted in April 2014 [Member]
 
Note 3 - Stock-Based Compensation (Details) - Non-Vested Performance-Based Restricted Stock Units [Line Items]  
Total Number of Units Granted 64
Grant Date Fair Value Per Unit $ 9.28