Quarterly report pursuant to Section 13 or 15(d)

Note 8 - Segmented information (Details) - Geographic revenues based on the product shipment destination

v2.4.0.8
Note 8 - Segmented information (Details) - Geographic revenues based on the product shipment destination (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jul. 01, 2012
Jun. 30, 2013
Jun. 30, 2013
Jul. 01, 2012
Note 8 - Segmented information (Details) - Geographic revenues based on the product shipment destination [Line Items]          
Geographic Revenue Based on the Product Shipment Destination $ 64,896 $ 75,117 $ 130,343 $ 130,343 $ 147,574
US [Member]
         
Note 8 - Segmented information (Details) - Geographic revenues based on the product shipment destination [Line Items]          
Geographic Revenue Based on the Product Shipment Destination 54,356 54,989   104,422 105,201
Canada [Member]
         
Note 8 - Segmented information (Details) - Geographic revenues based on the product shipment destination [Line Items]          
Geographic Revenue Based on the Product Shipment Destination 7,092 15,520   18,778 33,007
Europe [Member]
         
Note 8 - Segmented information (Details) - Geographic revenues based on the product shipment destination [Line Items]          
Geographic Revenue Based on the Product Shipment Destination 1,378 4,474   2,805 8,984
Asia [Member]
         
Note 8 - Segmented information (Details) - Geographic revenues based on the product shipment destination [Line Items]          
Geographic Revenue Based on the Product Shipment Destination 2,061 127   4,308 334
Mexico [Member]
         
Note 8 - Segmented information (Details) - Geographic revenues based on the product shipment destination [Line Items]          
Geographic Revenue Based on the Product Shipment Destination $ 9 $ 7   $ 30 $ 48