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Note 4 - Inventories - Summary of Inventories (Details) - USD ($)
$ in Thousands
Aug. 27, 2017
Feb. 26, 2017
Inventories:    
Raw materials $ 7,305 $ 5,842
Work-in-process 2,714 2,329
Finished goods 1,533 2,585
Manufacturing supplies 367 349
$ 11,919 $ 11,105 [1]
[1] The balance sheet at February 26, 2017 has been derived from the audited financial statements at that date.