Quarterly report pursuant to Section 13 or 15(d)

Note 8 - Segmented Information (Details Textual)

v3.5.0.2
Note 8 - Segmented Information (Details Textual)
3 Months Ended 9 Months Ended 12 Months Ended
Oct. 02, 2016
Sep. 27, 2015
Oct. 02, 2016
Sep. 27, 2015
Jan. 03, 2016
Customer Concentration Risk [Member] | Sales Revenue, Net [Member] | Major Customer1 [Member]          
Concentration Risk, Percentage 15.60% 16.00% 15.80% 14.50%  
Customer Concentration Risk [Member] | Sales Revenue, Net [Member] | Major Customer2 [Member]          
Concentration Risk, Percentage 10.20% 11.70% 15.40% 11.60%  
Customer Concentration Risk [Member] | Sales Revenue, Net [Member]          
Number of Major Customers 2 2 2 2  
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Major Customer1 [Member]          
Concentration Risk, Percentage     12.10%    
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Major Customer2 [Member]          
Concentration Risk, Percentage     10.60%    
Customer Concentration Risk [Member] | Accounts Receivable [Member]          
Number of Major Customers     2   1
Concentration Risk, Percentage         16.80%
Number of Major Customers     2