Note 7 - Other Balance Sheet Accounts - Summary of Other Balance Sheet Accounts (Details) - USD ($) $ in Thousands	Jan. 31, 2017	Jan. 31, 2016
Other current assets
Deferred cost of revenues	$ 8,194	$ 7,849
Prepaid expenses	4,879	5,789
Income tax receivable, net of payables	928	1,202
Other	1,350	1,184
	15,351	16,024
Other assets, net
Other intangibles, net	415	1,073
Security deposits	1,323	1,315
Other long-term assets	950	291
	2,688	2,679
Accounts payable
Trade payables	7,392	6,648
VAT payable	3,924	4,163
	11,316	10,811
Other current liabilities
Accrued commissions and bonus	13,449	12,155
Accrued compensated absences	8,346	7,887
Other accrued payroll	4,477	4,126
Accrued professional fees	1,709	1,416
Accrued travel	1,304	1,558
Accrued contract labor	812	914
Other current liabilities	3,539	3,479
	33,636	31,535
Other liabilities
Long-term deferred revenue	2,353	1,690
Fair value of interest rate swap	190	675
Long-term tax contingency reserve	764	503
Lease restoration obligations	736	730
Other	871	867
	$ 4,914	$ 4,465