Quarterly report pursuant to Section 13 or 15(d)

Note 8 - Segmented Information (Details Textual)

v3.4.0.3
Note 8 - Segmented Information (Details Textual) - Customer Concentration Risk [Member]
3 Months Ended 12 Months Ended
Apr. 03, 2016
Mar. 29, 2015
Jan. 03, 2016
Accounts Receivable [Member] | Major Customer1 [Member]      
Concentration Risk, Percentage 12.00%   16.80%
Accounts Receivable [Member] | Major Customer2 [Member]      
Concentration Risk, Percentage 4.70%   3.80%
Accounts Receivable [Member]      
Number of Major Customers 2   2
Sales Revenue, Net [Member] | Major Customer1 [Member]      
Concentration Risk, Percentage 14.20% 21.40%  
Sales Revenue, Net [Member] | Major Customer2 [Member]      
Concentration Risk, Percentage 14.00% 17.60%  
Sales Revenue, Net [Member] | Major Customer3 [Member]      
Concentration Risk, Percentage   10.80%  
Sales Revenue, Net [Member]      
Number of Major Customers 2 3