Quarterly report pursuant to Section 13 or 15(d)

Note 9 - Segmented Information (Details Textual)

v3.7.0.1
Note 9 - Segmented Information (Details Textual) - Customer Concentration Risk [Member]
3 Months Ended 12 Months Ended
Apr. 02, 2017
Apr. 03, 2016
Jan. 01, 2017
Sales Revenue, Net [Member]      
Number of Major Customers 1 2  
Concentration Risk, Percentage 10.70%    
Sales Revenue, Net [Member] | Major Customer1 [Member]      
Concentration Risk, Percentage   14.20%  
Sales Revenue, Net [Member] | Major Customer2 [Member]      
Concentration Risk, Percentage   14.00%  
Accounts Receivable [Member]      
Number of Major Customers 2   1
Concentration Risk, Percentage     11.80%
Accounts Receivable [Member] | Major Customer1 [Member]      
Concentration Risk, Percentage 12.00%    
Accounts Receivable [Member] | Major Customer2 [Member]      
Concentration Risk, Percentage 11.40%