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Note 3 - Inventories - Summary of Inventories (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Mar. 31, 2019
Raw materials	$ 6,596	$ 6,804
Work-in-process	390	428
Finished goods	2,772	2,524
Less: reserve	(2,787)	(2,984)
Inventories, net	$ 6,971	$ 6,772

X

- Definition

Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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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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Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer.

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