4. BALANCE SHEET DETAIL - Inventories (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Mar. 31, 2020
Inventories:
Work-in-progress	$ 1,992	$ 1,650
Finished goods	2,684	2,612
Inventory at distributors	27	20
Total inventory	$ 4,703	$ 4,282

Inventory, inventory at distributors, net of reserves.

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- Definition

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.

+ References

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- Definition

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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- References

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- Definition

Carrying amount, net of reserves and adjustments, as of the balance sheet date of merchandise or goods which are partially completed. This inventory is generally comprised of raw materials, labor and factory overhead costs, which require further materials, labor and overhead to be converted into finished goods, and which generally require the use of estimates to determine percentage complete and pricing.

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