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Note 4 - Segment Information (Details) - USD ($)
 3 Months Ended
Jan. 22, 2016
Jan. 23, 2015
Frozen Food Products [Member]    
Sales $ 11,486,000 $ 12,653,000
Intersegment sales
Net sales $ 11,486,000 $ 12,653,000
Cost of products sold 7,106,000 7,810,000
Gross margin 4,380,000 4,843,000
Selling, general and sdministrative 3,649,000 3,681,000
Income before taxes 731,000 1,162,000
Total assets 10,093,000 11,154,000
Additions to property, plant and equipment 71,000 97,000
Refrigerated and Snack Food Products [Member]    
Sales $ 24,670,000 $ 22,059,000
Intersegment sales
Net sales $ 24,670,000 $ 22,059,000
Cost of products sold 15,271,000 17,285,000
Gross margin 9,399,000 4,774,000
Selling, general and sdministrative 7,029,000 5,469,000
Income before taxes 2,370,000 (695,000)
Total assets 29,163,000 26,329,000
Additions to property, plant and equipment $ 509,000 $ 58,000
Other Segments [Member]    
Sales
Intersegment sales
Net sales
Cost of products sold
Gross margin
Selling, general and sdministrative
Income before taxes
Total assets $ 37,511,000 $ 19,556,000
Additions to property, plant and equipment (2,000) (63,000)
Sales $ 36,156,000 $ 34,712,000
Intersegment sales
Net sales $ 36,156,000 $ 34,712,000
Cost of products sold 22,377,000 25,095,000
Gross margin 13,779,000 9,617,000
Selling, general and sdministrative 10,678,000 9,150,000
Income before taxes 3,101,000 467,000
Total assets 76,767,000 57,039,000
Additions to property, plant and equipment $ 578,000 $ 92,000