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Note 17 - Income Taxes (Tables)

12 Months Ended

Jan. 31, 2016

Income Tax Disclosure [Abstract]

Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]

Year Ended		January 31, 2016				January 31, 2015				January 31, 2014
Canada			13,933				14,489				6,922
United States			4,773				6,300				7,841
Other countries			9,064				1,032				(1,030	)
			27,770				21,821				13,733

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

Year Ended		January 31, 2016				January 31, 2015				January 31, 2014
Current income tax expense
Canada			94				568				61
United States			70				1,060				605
Other countries			1,279				1,156				1,102
			1,443				2,784				1,768
Deferred income tax expense (recovery)
Canada			3,493				3,741				3,827
United States			800				2,144				2,804
Other countries			1,472				(1,907	)			(4,278	)
			5,765				3,978				2,353
			7,208				6,762				4,121

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

		January 31, 2016				January 31, 2015
Assets
Accruals not currently deductible			8,653				4,238
Accumulated net operating losses			19,859				22,617
Corporate minimum taxes			1,589				1,710
Difference between tax and accounting basis of property and equipment			700				7,031
Research and development and other tax credits and expenses			2,885				2,792
Other timing differences			924				1,508
Total deferred income tax assets			34,610				39,896
Liabilities
Difference between tax and accounting basis of intangible assets			(9,584	)			(9,232	)
Uncertain tax positions incurred in loss years			(356	)			(530	)
Total deferred income tax liabilities			(9,940	)			(9,762	)
Net deferred income taxes			24,670				30,134
Valuation allowance			(13,963	)			(14,681	)
Net deferred income taxes, net of valuation allowance			10,707				15,453

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

		January 31, 2016				January 31, 2015				January 31, 2014
Net income before taxes			27,770				21,821				13,733
Combined basic Canadian statutory rates			26.5	%			26.5	%			26.5	%
Income tax expense based on the above rates			7,359				5,783				3,639
Increase (decrease) in income taxes resulting from:
Permanent differences including amortization of intangibles			(2,593	)			800				1,078
Effect of differences between Canadian and foreign tax rates			169				1,007				663
Effect of rate changes on current year timing differences			1,150				-				321
Adjustments relating to previous periods			36				9				355
(Decrease) increase in tax reserves			(172	)			(41	)			239
Valuation allowance			(41	)			(1,195	)			(2,707	)
Stock compensation			345				86				481
Deferred tax charges			270				-				-
Other, including foreign exchange			685				313				52
Income tax expense			7,208				6,762				4,121

Summary of Operating Loss Carryforwards [Table Text Block]

Expiry year		Canada				United States				EMEA				Asia Pacific				Total
2017			-				-				-				122				122
2018			-				-				316				-				316
2019			-				2,649				388				57				3,094
2020			-				-				194				48				242
2021			-				805				-				20				825
Thereafter			115				9,653				64,744				6,808				81,320
			115				13,107				65,642				7,055				85,919

Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]

		January 31, 2016				January 31, 2015				January 31, 2014
Liability, beginning of year			5,721				6,211				5,639
Gross increases – current period			1,967				825				981
Lapsing due to statutes of limitations			(1,920	)			(1,315	)			(409	)
Liability, end of year			5,768				5,721				6,211

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Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.

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