Annual report pursuant to Section 13 and 15(d)

Note 4 - Debt and Capital Leases (Details Textual)

v3.7.0.1
Note 4 - Debt and Capital Leases (Details Textual) - PNC Bank [Member] - USD ($)
$ in Thousands
12 Months Ended
Jan. 01, 2017
Jan. 03, 2016
Debt Instrument, Face Amount $ 10,000  
Line of Credit Facility, Periodic Payment 500  
Long-term Line of Credit $ 10,000 $ 5,000
Base Rate [Member]    
Debt Instrument, Basis Spread on Variable Rate 0.75%  
Revolving Credit Facility [Member]    
Line of Credit Facility, Maximum Borrowing Capacity $ 30,000  
Line of Credit Facility, Remaining Borrowing Capacity 7,377 10,497
Long-term Line of Credit $ 2,731 $ 10,721
Revolving Credit Facility [Member] | Base Rate [Member]    
Debt Instrument, Basis Spread on Variable Rate 0.25%