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Note 2 - Revision of Prior Period Financial Statements (Details) (USD $)
3 Months Ended 12 Months Ended
Mar. 30, 2014
Dec. 29, 2013
Sep. 29, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 30, 2012
Sep. 30, 2012
Jul. 01, 2012
Mar. 30, 2014
Mar. 31, 2013
Apr. 01, 2012
Note 2 - Revision of Prior Period Financial Statements (Details) [Line Items]                      
Additional Paid in Capital $ 508,116,000       $ 749,426,000       $ 508,116,000 $ 749,426,000  
Retained Earnings (Accumulated Deficit) (253,667,000)       (259,468,000)       (253,667,000) (259,468,000)  
Net Income (Loss) Attributable to Parent 147,000 (1,634,000) 6,482,000 806,000 1,672,000 1,523,000 263,000 (576,000) 5,801,000 2,882,000 (28,056,000)
Restatement Adjustment [Member] | Accounting For Stock-Based Compensation [Member]
                     
Note 2 - Revision of Prior Period Financial Statements (Details) [Line Items]                      
Additional Paid in Capital                     (741,000)
Retained Earnings (Accumulated Deficit)                     (741,000)
Net Income (Loss) Attributable to Parent                     $ 741,000