Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2017	Apr. 30, 2016
Cash flows provided by operating activities:
Net loss	$ (2,550)	$ (943)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	1,217	1,011
Stock-based compensation expense	625	489
Deferred rent expense	(139)	(6)
Deferred income taxes		(12)
Net change in operating assets and liabilities:
Accounts receivable	11,162	17,863
Prepaid expenses and other current assets	(224)	1,242
Other assets	(18)	(45)
Accounts payable	131	(970)
Accrued expenses	(3,890)	(5,750)
Other liabilities	3	36
Deferred revenue	(1,569)	(1,042)
Net cash provided by operating activities	4,748	11,873
Cash flows used in investing activities:
Purchases of property and equipment	(2,320)	(521)
Net cash used in investing activities	(2,320)	(521)
Cash flows used in financing activities:
Proceeds from stock option exercises	99	57
Acquisition of common stock for tax withholding obligations	(15)
Payments of capital lease obligations	(574)	(751)
Net cash used in financing activities	(490)	(694)
Effect of exchange rate changes on cash	140	875
Net increase in cash and cash equivalents	2,078	11,533
Cash and cash equivalents, beginning of period	24,552	27,649
Cash and cash equivalents, end of period	26,630	39,182
Supplemental cash flow disclosures:
Cash paid for interest	16	47
Cash paid for income taxes	1,055	1,137
Supplemental disclosure of non-cash investing activities:
Decrease in unpaid purchases of property and equipment	$ (1,571)	$ (426)