Inventories (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Mar. 31, 2020
Inventories Details
Raw materials	$ 267	$ 357
Work in progress	391	429
Finished goods	439	392
Total	$ 1,097	$ 1,178

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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 raw materials 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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