Quarterly report pursuant to Section 13 or 15(d)

Note 6 - Stock-based Compensation (Detail) - Stock Grant Compensation

v2.4.0.6
Note 6 - Stock-based Compensation (Detail) - Stock Grant Compensation (USD $)
In Thousands, unless otherwise specified
 9 Months Ended
Dec. 30, 2012
Jan. 01, 2012
Three-Month Period [Member] | Fiscal Year 2011 [Member]
    
Stock grant compensation - employees $ 148 $ 52
Stock grant compensation - non-employee directors   13
Stock grant compensation - total 148 65
Three-Month Period [Member] | Fiscal Year 2012 [Member]
    
Stock grant compensation - non-employee directors 17 17
Stock grant compensation - total 17 17
Three-Month Period [Member] | Fiscal Year 2013 [Member]
    
Stock grant compensation - non-employee directors 29  
Stock grant compensation - total 29  
Three-Month Period [Member]
    
Stock grant compensation - employees 148 52
Stock grant compensation - non-employee directors 46 30
Stock grant compensation - total 194 82
Nine Month Period [Member] | Fiscal Year 2011 [Member]
    
Stock grant compensation - employees 252 156
Stock grant compensation - non-employee directors 18 44
Stock grant compensation - total 270 200
Nine Month Period [Member] | Fiscal Year 2012 [Member]
    
Stock grant compensation - non-employee directors 50 28
Stock grant compensation - total 50 28
Nine Month Period [Member] | Fiscal Year 2013 [Member]
    
Stock grant compensation - non-employee directors 49  
Stock grant compensation - total 49  
Nine Month Period [Member] | Fiscal Year 2010 [Member]
    
Stock grant compensation - non-employee directors   11
Stock grant compensation - total   11
Nine Month Period [Member]
    
Stock grant compensation - employees 252 156
Stock grant compensation - non-employee directors 117 83
Stock grant compensation - total $ 369 $ 239