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Note 4 - Inventories - Summary of Inventories (Details) - USD ($)
$ in Thousands
Nov. 25, 2018
Feb. 25, 2018
Inventories:    
Raw materials $ 3,407 $ 2,824
Work-in-process 233 159
Finished goods 937 972
$ 4,577 $ 3,955 [1]
[1] The balance sheet at February 25, 2018 has been derived from the audited financial statements at that date.