Quarterly report pursuant to Section 13 or 15(d)

Note 10 - Segmented Information (Details Textual)

v3.19.3
Note 10 - Segmented Information (Details Textual) - Customer Concentration Risk [Member]
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 29, 2019
Sep. 30, 2018
Sep. 29, 2019
Sep. 30, 2018
Dec. 30, 2018
Revenue Benchmark [Member]          
Number of Major Customers 1 3 1 2  
Concentration Risk, Percentage 12.30% 35.70% 13.00% 23.90%  
Revenue Benchmark [Member] | Major Customer1 [Member]          
Concentration Risk, Percentage   12.80%   13.50%  
Revenue Benchmark [Member] | Major Customer2 [Member]          
Concentration Risk, Percentage   12.00%   10.40%  
Revenue Benchmark [Member] | Major Customer3 [Member]          
Concentration Risk, Percentage   10.90%      
Accounts Receivable [Member]          
Number of Major Customers     0   2
Concentration Risk, Percentage         21.00%
Accounts Receivable [Member] | Major Customer1 [Member]          
Concentration Risk, Percentage         11.00%
Accounts Receivable [Member] | Major Customer2 [Member]          
Concentration Risk, Percentage         10.00%