Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2021	Apr. 30, 2020
OPERATING ACTIVITIES:
Net income	$ 9,620	$ 3,949
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	4,511	4,176
Change in fair value of acquisition-related contingent consideration	0	(55)
Deferred income taxes	49	(1,060)
Share-based compensation expense	1,734	1,496
Other operating activities, net	(178)	(159)
Change in operating assets and liabilities:
Accounts receivable	(20,706)	937
Inventories	(10,592)	(4,008)
Other assets	(2,168)	(715)
Operating liabilities	9,951	7,290
Net cash provided by (used in) operating activities	(7,779)	11,851
INVESTING ACTIVITIES:
Capital expenditures	(5,605)	(4,434)
Purchases of investments	(587)	(98)
Proceeds from sale of assets	263	251
Other investing activities	(1,112)	(9)
Net cash used in investing activities	(7,041)	(4,290)
FINANCING ACTIVITIES:
Dividends paid	0	(4,658)
Proceeds from debt	815	50,150
Tax withholding on vesting of restricted stock	(1,047)	(627)
Employee stock options exercises	(41)	(113)
Other financing activities	(116)	(104)
Net cash provided by (used in) financing activities	(389)	44,648
Effect of Exchange Rate on Cash and Cash Equivalents	35	(335)
Net Increase in Cash and Cash Equivalents	(15,174)	51,874
Cash and Cash Equivalents, Beginning Balance	32,938	20,707
Cash and Cash Equivalents, Ending Balance	$ 17,764	$ 72,581