Inventories (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Mar. 31, 2020
Components of inventories
Raw materials	$ 2,369	$ 2,188
Inventory, Work in Process, Gross	0	0
Finished goods	4,985	4,619
Total inventories	$ 7,354	$ 6,807

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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Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of unprocessed items to be consumed in the manufacturing or production process.

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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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