Inventories - Schedule of Inventory (Detail) - USD ($) $ in Thousands	Apr. 30, 2021	Jan. 31, 2021
Inventory Disclosure [Abstract]
Work-in-progress	$ 24,497	$ 18,219
Finished goods	8,623	7,862
Total	$ 33,120	$ 26,081

No definition available.

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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.

+ 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.

+ References

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-Topic 330
-SubTopic 10
-Section S99
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