Annual report pursuant to Section 13 and 15(d)

Note 12 - Segmented Information (Details Textual)

v3.19.1
Note 12 - Segmented Information (Details Textual) - Customer Concentration Risk [Member]
12 Months Ended
Dec. 30, 2018
Dec. 31, 2017
Jan. 01, 2017
Sales Revenue, Net [Member]      
Number of Major Customers 1 2 2
Concentration Risk, Percentage 11.00% 12.00%  
Sales Revenue, Net [Member] | Major Customer1 [Member]      
Concentration Risk, Percentage     16.00%
Sales Revenue, Net [Member] | Major Customer2 [Member]      
Concentration Risk, Percentage     12.00%
Accounts Receivable [Member]      
Number of Major Customers 2 3 1
Concentration Risk, Percentage 21.00% 40.00% 12.00%
Accounts Receivable [Member] | Major Customer1 [Member]      
Concentration Risk, Percentage 11.00% 14.00%  
Accounts Receivable [Member] | Major Customer2 [Member]      
Concentration Risk, Percentage 10.00% 14.00%  
Accounts Receivable [Member] | Major Customer3 [Member]      
Concentration Risk, Percentage   12.00%