Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2017	Jan. 31, 2016	Jan. 31, 2015
Cash flows from operating activities:
Net (loss) income	$ (15,450)	$ 8,912	$ 12,946
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization	6,046	5,785	5,759
Provision for doubtful accounts and sales adjustments	237	774	854
Loss on disposal of property and equipment	41	29	8
Other deferred income taxes	(2,035)	(3,154)	(2,562)
Change in fair value of a derivative instrument	(485)	48	877
Stock compensation expense	7,323	7,440	4,993
Net change in valuation allowance	16,861	2,564	1,657
Adjustment of contingent liability associated with acquisitions			42
Changes in assets and liabilities, net of effects from acquisitions:
Accounts receivable	(4,141)	10,804	(11,236)
Other assets	(90)	(2,768)	(431)
Accounts payable	646	(1,441)	2,568
Deferred revenue	7,245	(2,675)	4,912
Other liabilities	2,482	(2,261)	3,576
Net cash provided by operating activities	18,680	24,057	23,963
Cash flows from investing activities:
Purchase of property and equipment	(3,267)	(3,208)	(4,577)
Capitalized software costs	(146)	(153)	(311)
Other, net	7	13	9
Net cash used in investing activities	(3,406)	(3,348)	(4,879)
Cash flows from financing activities:
Repayments of debt	(434)	(406)	(388)
Dividends paid	(5,301)	(5,235)	(4,452)
Tax payments, net of proceeds, related to stock awards	(2,079)	(2,461)	(2,557)
Payment of contingent liability associated with acquisitions		(750)	(471)
Proceeds from issuance of common stock, net of issuance costs		8,365	37,046
Net cash (used in) provided by financing activities	(7,814)	(487)	29,178
Effect of exchange rates on cash and equivalents	(109)	(3,017)	(3,720)
Net increase in cash and equivalents	7,351	17,205	44,542
Cash and equivalents at beginning of year	137,731	120,526	75,984
Cash and equivalents at end of year	145,082	137,731	120,526
Supplemental disclosure of cash flow information:
Interest	655	700	735
Income taxes, net of refunds	$ 3,396	$ 3,925	$ 3,284