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Note 4 - Inventories (Details) - Inventories (USD $)
In Thousands, unless otherwise specified
Jun. 01, 2014
Mar. 02, 2014
Inventories:    
Raw materials $ 6,983 $ 7,253
Work-in-process 3,433 3,097
Finished goods 4,421 3,223
Manufacturing supplies 240 298
$ 15,077 $ 13,871 [1]
[1] The balance sheet at March 2, 2014 has been derived from the audited financial statements at that date.