Quarterly report pursuant to Section 13 or 15(d)

Note 4 - Debt (Details Textual)

v3.5.0.2
Note 4 - Debt (Details Textual) - USD ($)
$ in Thousands
9 Months Ended
Oct. 03, 2016
Oct. 02, 2016
Sep. 27, 2015
Jan. 03, 2016
Base Rate [Member] | PNC Bank [Member] | Revolving Credit Facility [Member]        
Debt Instrument, Basis Spread on Variable Rate   0.50%    
Base Rate [Member] | PNC Bank [Member]        
Debt Instrument, Basis Spread on Variable Rate   1.00%    
PNC Bank [Member] | Revolving Credit Facility [Member]        
Line of Credit Facility, Maximum Borrowing Capacity   $ 35,000    
Long-term Line of Credit   8,040   $ 10,721
PNC Bank [Member] | Subsequent Event [Member]        
Repayments of Long-term Debt $ 250      
PNC Bank [Member]        
Debt Instrument, Face Amount   5,000    
Line of Credit Facility, Periodic Payment   250    
Long-term Line of Credit   4,500   $ 5,000
Repayments of Long-term Debt   $ 500