Annual report pursuant to Section 13 and 15(d)

Note 4 - Debt and Capital Leases (Details Textual)

v3.3.1.900
Note 4 - Debt and Capital Leases (Details Textual) - USD ($)
12 Months Ended 13 Months Ended
Feb. 09, 2016
Jan. 03, 2016
Feb. 08, 2016
Dec. 28, 2014
Long-term Debt [Member] | PNC Bank [Member]        
Long-term Debt       $ 0
PNC Bank [Member] | Revolving Credit Facility [Member] | Base Rate [Member] | Depending on Fixed Charge Coverage Ratio [Member]        
Debt Instrument, Basis Spread on Variable Rate   0.75%    
PNC Bank [Member] | Revolving Credit Facility [Member] | Base Rate [Member] | Subsequent Event [Member]        
Debt Instrument, Basis Spread on Variable Rate 0.50%   0.75%  
PNC Bank [Member] | Revolving Credit Facility [Member] | Subsequent Event [Member]        
Line of Credit Facility, Increase (Decrease), Net $ 5,000,000      
Line of Credit Facility, Maximum Borrowing Capacity $ 35,000,000      
PNC Bank [Member] | Revolving Credit Facility [Member]        
Line of Credit Facility, Maximum Borrowing Capacity   $ 35,000,000    
Long-term Line of Credit   10,721,000   $ 21,370,000
PNC Bank [Member] | Base Rate [Member] | Subsequent Event [Member]        
Debt Instrument, Basis Spread on Variable Rate 1.00%      
PNC Bank [Member] | Subsequent Event [Member]        
Line of Credit Facility, Periodic Payment $ 250,000      
PNC Bank [Member]        
Long-term Debt   $ 5,000,000    
Subsequent Event [Member]        
Long-term Debt $ (5,000,000)