SUPPLEMENTAL CONDENSED CONSOLIDATED FINANCIAL STATEMENT INFORMATION - INVENTORIES (Details) - USD ($) $ in Thousands	Apr. 30, 2020	Jan. 31, 2020
Condensed Financial Information Disclosure [Abstract]
Raw Materials	$ 12,422	$ 9,628
Work in Process	4,943	4,749
Finished Goods	7,665	6,118
Total inventories	$ 25,030	$ 20,495

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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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