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Note 4 - Inventories - Schedule of Inventories (Details) - USD ($)
$ in Thousands
Nov. 27, 2016
Feb. 28, 2016
Inventories:    
Raw materials $ 6,822 $ 5,462
Work-in-process 2,341 2,215
Finished goods 3,048 2,172
Manufacturing supplies 376 365
$ 12,587 $ 10,214 [1]
[1] The balance sheet at February 28, 2016 has been derived from the audited financial statements at that date.