Balance Sheet - Schedule of Inventories (Detail) - USD ($) $ in Thousands	Jul. 31, 2018	Jan. 31, 2018
Inventories:
Raw materials	$ 4,842	$ 5,099
Finished goods	6,138	6,185
Work in progress	1,929	1,247
Cost of inventories	12,909	12,531
Less allowance for obsolescence	(1,054)	(1,675)
Total inventories, net	$ 11,855	$ 10,856

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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Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

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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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-Publisher FASB
-Name Accounting Standards Codification
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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 of valuation reserve for inventory.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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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