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Note 4 - Inventories (Details) - USD ($)
$ in Thousands
Aug. 28, 2016
Feb. 28, 2016
Inventories:    
Raw materials $ 6,844 $ 5,462
Work-in-process 2,169 2,215
Finished goods 2,455 2,172
Manufacturing supplies 281 365
$ 11,749 $ 10,214 [1]
[1] The balance sheet at February 28, 2016 has been derived from the audited financial statements at that date.