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Note 4 - Inventories - Summary of Inventories (Details) - USD ($)
$ in Thousands
Aug. 26, 2018
Feb. 25, 2018
Inventories:    
Raw materials $ 2,570 $ 2,824
Work-in-process 265 159
Finished goods 1,159 972
$ 3,994 $ 3,955 [1]
[1] The balance sheet at February 25, 2018 has been derived from the audited financial statements at that date.