Quarterly report pursuant to Section 13 or 15(d)

Note 5 - Debt (Details Textual)

v3.7.0.1
Note 5 - Debt (Details Textual) - PNC Bank [Member] - USD ($)
$ in Thousands
3 Months Ended
Apr. 02, 2017
Jan. 01, 2017
Debt Instrument, Face Amount $ 10,000  
Line of Credit Facility, Periodic Payment 500  
Long-term Line of Credit 9,500 $ 10,000
Revolving Credit Facility [Member]    
Line of Credit Facility, Maximum Borrowing Capacity 30,000  
Line of Credit Facility, Remaining Borrowing Capacity 5,401 7,377
Long-term Line of Credit $ 5,475 $ 2,731
Base Rate [Member]    
Debt Instrument, Basis Spread on Variable Rate 1.25%  
Debt Instrument, Basis Spread on Variable Rate, If Specified Fixed Charge Coverage Ratio is Maintained 0.75%  
Base Rate [Member] | Revolving Credit Facility [Member]    
Debt Instrument, Basis Spread on Variable Rate 0.75%  
Debt Instrument, Basis Spread on Variable Rate, If Specified Fixed Charge Coverage Ratio is Maintained 0.25%