Quarterly report pursuant to Section 13 or 15(d)

Note 4 - Compensaiton Expense Associated with Non-vested Stock Grants (Details)

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Note 4 - Compensaiton Expense Associated with Non-vested Stock Grants (Details) - USD ($)
3 Months Ended 9 Months Ended
Dec. 27, 2015
Dec. 28, 2014
Dec. 27, 2015
Dec. 28, 2014
Employee [Member] | Other Marketing and Administrative Expenses [Member] | Non-vested Stock Grants [Member] | Fiscal Year 2011 [Member]        
Allocated share-based compensation $ 51,000 $ 48,000 $ 133,000
Employee [Member] | Other Marketing and Administrative Expenses [Member] | Non-vested Stock Grants [Member] | Fiscal Year 2014 [Member]        
Allocated share-based compensation
Employee [Member] | Other Marketing and Administrative Expenses [Member] | Non-vested Stock Grants [Member] | Fiscal Year 2013 [Member]        
Allocated share-based compensation      
Employee [Member] | Other Marketing and Administrative Expenses [Member] | Non-vested Stock Grants [Member] | Fiscal Year 2015 [Member]        
Allocated share-based compensation $ 89,000 $ 89,000 $ 267,000 $ 267,000
Employee [Member] | Other Marketing and Administrative Expenses [Member] | Non-vested Stock Grants [Member] | Fiscal Year 2016 [Member]        
Allocated share-based compensation 35,000 105,000
Employee [Member] | Other Marketing and Administrative Expenses [Member] | Non-vested Stock Grants [Member]        
Allocated share-based compensation $ 124,000 $ 140,000 $ 420,000 $ 400,000
Non Employee Directors [Member] | Other Marketing and Administrative Expenses [Member] | Non-vested Stock Grants [Member] | Fiscal Year 2011 [Member]        
Allocated share-based compensation
Non Employee Directors [Member] | Other Marketing and Administrative Expenses [Member] | Non-vested Stock Grants [Member] | Fiscal Year 2014 [Member]        
Allocated share-based compensation $ 23,000 $ 31,000 $ 69,000
Non Employee Directors [Member] | Other Marketing and Administrative Expenses [Member] | Non-vested Stock Grants [Member] | Fiscal Year 2013 [Member]        
Allocated share-based compensation     27,000
Non Employee Directors [Member] | Other Marketing and Administrative Expenses [Member] | Non-vested Stock Grants [Member] | Fiscal Year 2015 [Member]        
Allocated share-based compensation $ 28,000 $ 28,000 $ 84,000 $ 46,000
Non Employee Directors [Member] | Other Marketing and Administrative Expenses [Member] | Non-vested Stock Grants [Member] | Fiscal Year 2016 [Member]        
Allocated share-based compensation 29,000 48,000
Non Employee Directors [Member] | Other Marketing and Administrative Expenses [Member] | Non-vested Stock Grants [Member]        
Allocated share-based compensation $ 57,000 $ 51,000 163,000 $ 142,000
Other Marketing and Administrative Expenses [Member] | Non-vested Stock Grants [Member] | Fiscal Year 2011 [Member]        
Allocated share-based compensation 51,000 48,000 133,000
Other Marketing and Administrative Expenses [Member] | Non-vested Stock Grants [Member] | Fiscal Year 2014 [Member]        
Allocated share-based compensation 23,000 $ 31,000 69,000
Other Marketing and Administrative Expenses [Member] | Non-vested Stock Grants [Member] | Fiscal Year 2013 [Member]        
Allocated share-based compensation     27,000
Other Marketing and Administrative Expenses [Member] | Non-vested Stock Grants [Member] | Fiscal Year 2015 [Member]        
Allocated share-based compensation $ 117,000 $ 117,000 $ 351,000 $ 313,000
Other Marketing and Administrative Expenses [Member] | Non-vested Stock Grants [Member] | Fiscal Year 2016 [Member]        
Allocated share-based compensation 64,000 153,000
Other Marketing and Administrative Expenses [Member] | Non-vested Stock Grants [Member]        
Allocated share-based compensation 181,000 $ 191,000 583,000 $ 542,000
Allocated share-based compensation $ 212,000 $ 225,000 $ 691,000 $ 652,000