Annual report pursuant to Section 13 and 15(d)

Note 4 - Significant Accounting Policies - Plant and Equipment, Expected Useful Lives (Details)

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Note 4 - Significant Accounting Policies - Plant and Equipment, Expected Useful Lives (Details)
 12 Months Ended
Dec. 30, 2018
Building [Member] | Minimum [Member]  
Property and equipment, useful lives (Year) 5 years
Building [Member] | Maximum [Member]  
Property and equipment, useful lives (Year) 20 years
Machinery and Equipment [Member] | Minimum [Member]  
Property and equipment, useful lives (Year) 7 years
Machinery and Equipment [Member] | Maximum [Member]  
Property and equipment, useful lives (Year) 15 years
Office Equipment [Member]  
Property and equipment, useful lives (Year) 7 years
Computer Equipment [Member]  
Property and equipment, useful lives (Year) 3 years