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Note 4 - Inventories - Summary of Inventories (Details) - USD ($)
$ in Thousands
Nov. 26, 2017
Feb. 26, 2017
Inventories:    
Raw materials $ 6,157 $ 5,842
Work-in-process 2,424 2,329
Finished goods 2,579 2,585
Manufacturing supplies 289 349
$ 11,449 $ 11,105 [1]
[1] The balance sheet at February 26, 2017 has been derived from the audited financial statements at that date.