Income Taxes (Tables)

12 Months Ended

Jan. 31, 2017

Income Tax Disclosure [Abstract]

Reconciliation of Income Taxes by Jurisdiction

	Years Ended January 31,
	2017			2016			2015
	(in thousands)
Loss before income taxes is attributable to the following jurisdictions:
Domestic	$	(17,685	)	$	(11,900	)	$	(6,766	)
Foreign		(13,654	)		(15,859	)		(3,420	)
Total	$	(31,339	)	$	(27,759	)	$	(10,186	)
The components of income tax expense (benefit) were as follows:
Current:
Domestic	$	34		$	(16	)	$	387
Foreign		846			684			1,687
		880			668			2,074
Deferred:
Domestic		40			10,762			(4,230	)
Foreign		894			(453	)		1,162
		934			10,309			(3,068	)
Income tax expense (benefit)	$	1,814		$	10,977		$	(994	)

Reconciliation of Expected to Actual Income Tax Expense

The following is a reconciliation of expected to actual income tax expense:

	Years Ended January 31,
	2017			2016			2015
	(in thousands)
Federal income tax (benefit) expense at 34%	$	(10,655	)	$	(9,436	)	$	(3,463	)
Changes in tax rates		—			(82	)		—
Permanent differences		38			509			(224	)
Foreign effective tax rate differential		1,979			1,609			540
Potential tax, penalties and interest resulting from uncertain tax positions		—			(236	)		(172	)
Foreign withholding taxes		671			717			920
Election to deduct foreign taxes in prior years U.S. income tax returns		—			2,610			—
Valuation allowance on deferred tax assets		10,056			15,477			1,379
Other		(275	)		(191	)		26
	$	1,814		$	10,977		$	(994	)

Company's Deferred Taxes

The components of the Company’s deferred taxes consisted of the following:

	As of January 31,
	2017			2016
	(in thousands)
Deferred tax assets:
Net operating losses	$	17,666		$	10,127
Tax credit carry forwards		894			823
Stock option book expense		2,259			2,716
Allowance for doubtful accounts		2,098			2,121
Allowance for inventory obsolescence		437			116
Accruals not yet deductible for tax purposes		691			636
Fixed assets		1,266			299
Other		1,046			627
Gross deferred tax assets		26,357			17,465
Valuation allowance		(26,357	)		(16,647	)
Deferred tax assets		—			818
Deferred tax liabilities:
Intangible assets		(150	)		(215	)
Other		(167	)		(17	)
Deferred tax liabilities		(317	)		(232	)
Unrecognized tax benefits		—			—
Total deferred tax (liabilities) assets, net		(317	)	$	586

Unrecognized Tax Benefits Excluding Potential Penalties and Interest

A reconciliation of the beginning and ending amounts of unrecognized tax benefits, excluding potential penalties and interest, is as follows:

	Years Ended January 31,
	2017		2016			2015
	(in thousands)
Unrecognized tax benefits as of beginning of year	$	—	$	92		$	254
Increases as a result of tax positions taken in prior years		—		—			—
Increases as a result of tax positions taken in current year		—		—			—
Settlements		—		(44	)		(162	)
Lapse of statute of limitations		—		(48	)		—
Unrecognized tax benefits as of end of year	$	—	$	—		$	92