Note 7 - Other Balance Sheet Accounts - Summary of Other Balance Sheet Accounts (Details) - USD ($) $ in Thousands	Jan. 31, 2018	Jan. 31, 2017
Other current assets
Deferred cost of revenues	$ 8,330	$ 8,194
Prepaid expenses	5,847	4,879
Income tax receivable, net of payables	213	928
Other	1,466	1,350
	15,856	15,351
Other assets, net
Other intangibles, net		415
Long-term deposits and prepaid expenses	2,463	1,323
Fair value of interest rate swap	187
Other long-term assets	405	950
	3,055	2,688
Accounts payable
Trade payables	9,346	7,392
VAT payable	5,472	3,924
	14,818	11,316
Other current liabilities
Accrued commissions and bonus	18,039	13,449
Accrued compensated absences	9,177	8,346
Other accrued payroll	6,038	4,477
Accrued professional fees	1,884	1,709
Accrued travel	1,839	1,304
Accrued contract labor	2,655	812
Other current liabilities	3,828	3,539
	43,460	33,636
Other liabilities
Long-term deferred revenue	2,156	2,353
Fair value of interest rate swap		190
Long-term tax contingency reserve	688	764
Lease restoration obligations	859	736
Other	1,736	871
	$ 5,439	$ 4,914