Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2018	Jan. 31, 2017	Jan. 31, 2016
Cash flows from operating activities:
Net (loss) income	$ (9,065)	$ (15,450)	$ 8,912
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization	5,772	6,046	5,785
Provision for doubtful accounts and sales adjustments	1,021	237	774
Loss on disposal of property and equipment	85	41	29
Net change in valuation allowance	1,695	16,861	2,564
Other deferred income taxes	(2,171)	(2,035)	(3,154)
Change in fair value of a derivative instrument	(377)	(485)	48
Stock compensation expense	8,924	7,323	7,440
Changes in assets and liabilities, net of effects from acquisitions:
Accounts receivable	(12,562)	(4,141)	10,804
Other assets	(1,204)	(90)	(2,768)
Accounts payable	2,821	646	(1,441)
Deferred revenue	7,001	7,245	(2,675)
Other liabilities	8,478	2,482	(2,261)
Net cash provided by operating activities	10,418	18,680	24,057
Cash flows from investing activities:
Purchase of property and equipment	(3,720)	(3,267)	(3,208)
Capitalized software costs	(1,019)	(146)	(153)
Other, net	70	7	13
Net cash used in investing activities	(4,669)	(3,406)	(3,348)
Cash flows from financing activities:
Repayments of debt	(445)	(434)	(406)
Dividends paid	(5,367)	(5,301)	(5,235)
Tax payments, net of proceeds, related to stock awards	(3,353)	(2,079)	(2,461)
Payment of contingent liability associated with acquisitions			(750)
Proceeds from issuance of common stock, net of issuance cost			8,365
Net cash used in financing activities	(9,165)	(7,814)	(487)
Effect of exchange rates on cash and equivalents	5,357	(109)	(3,017)
Net increase in cash and equivalents	1,941	7,351	17,205
Cash and equivalents at beginning of year	145,082	137,731	120,526
Cash and equivalents at end of year	147,023	145,082	137,731
Supplemental disclosure of cash flow information:
Interest	651	655	700
Income taxes, net of refunds	$ 3,961	$ 3,396	$ 3,925