Quarterly report pursuant to Section 13 or 15(d)

Note 4 - Debt (Details Textual)

v3.4.0.3
Note 4 - Debt (Details Textual) - PNC Bank [Member] - USD ($)
$ in Thousands
Apr. 01, 2016
Feb. 09, 2016
Apr. 03, 2016
Jan. 03, 2016
Base Rate [Member] | Revolving Credit Facility [Member]        
Debt Instrument, Basis Spread on Variable Rate   0.50%    
Base Rate [Member]        
Debt Instrument, Basis Spread on Variable Rate   1.00%    
Revolving Credit Facility [Member]        
Line of Credit Facility, Maximum Borrowing Capacity     $ 35,000  
Long-term Line of Credit     9,773 $ 10,721
Debt Instrument, Face Amount   $ 5,000    
Line of Credit Facility, Periodic Payment $ 250      
Long-term Debt     $ 4,750 $ 5,000