Quarterly report pursuant to Section 13 or 15(d)

Note 5 - Debt (Details Textual)

v3.3.0.814
Note 5 - Debt (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 27, 2015
Sep. 28, 2014
Sep. 27, 2015
Sep. 28, 2014
Dec. 28, 2014
Base Rate [Member] | United States of America, Dollars | PNC Facility [Member] | Depending on Fixed Charge Coverage Ratio [Member]          
Debt Instrument, Basis Spread on Variable Rate     0.75%    
Base Rate [Member] | United States of America, Dollars | PNC Facility [Member]          
Debt Instrument, Basis Spread on Variable Rate     1.25%    
PNC Facility [Member] | Revolving Credit Facility [Member] | Weighted Average [Member]          
Line of Credit Facility, Interest Rate During Period 4.20% 5.00% 4.40% 4.60%  
PNC Bank [Member] | Revolving Credit Facility [Member]          
Line of Credit, Current $ 16,650   $ 16,650   $ 21,370
Line of Credit Facility, Maximum Borrowing Capacity 40,000   40,000    
Line of Credit, Current $ 16,650   $ 16,650   $ 21,370