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Note 4 - Inventories - Summary of Inventories (Details) - USD ($) $ in Thousands	Nov. 28, 2021	Feb. 28, 2021
Raw materials	$ 4,136	$ 3,490
Work-in-process	272	147
Finished goods	767	1,157
Inventory, Net, Total	$ 5,175	$ 4,794	[1]
[1] The balance sheet at February 28, 2021 has been derived from the audited consolidated financial statements at that date.

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Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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