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Income Taxes (Tables) | 12 Months Ended
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Jan. 31, 2016
Income Tax Disclosure [Abstract] |
Reconciliation of Income Taxes by Jurisdiction |
|  | Years Ended January 31, |
|  | 2016 |  |  | 2015 |  |  | 2014 |
|  | (in thousands) |
(Loss) income before income taxes is attributable to the following jurisdictions: |  |  |  |  |  |  |  |  |  |  |  |
Domestic |  | $ | (11,900 | ) |  | $ | (6,766 | ) |  | $ | (4,323 | )
Foreign |  |  | (15,859 | ) |  |  | (3,420 | ) |  |  | 10,349 |
Total |  | $ | (27,759 | ) |  | $ | (10,186 | ) |  | $ | 6,026 |
The components of income tax expense (benefit) were as follows: |  |  |  |  |  |  |  |  |  |  |  |
Current: |  |  |  |  |  |  |  |  |  |  |  |
Domestic |  | $ | (16 | ) |  | $ | 387 |  |  | $ | 802 |
Foreign |  |  | 684 |  |  |  | 1,687 |  |  |  | 2,660 |
|  |  | 668 |  |  |  | 2,074 |  |  |  | 3,462 |
Deferred: |  |  |  |  |  |  |  |  |  |  |  |
Domestic |  |  | 10,762 |  |  |  | (4,230 | ) |  |  | (3,039 | )
Foreign |  |  | (453 | ) |  |  | 1,162 |  |  |  | 835 |
|  |  | 10,309 |  |  |  | (3,068 | ) |  |  | (2,204 | )
Income tax expense (benefit) |  | $ | 10,977 |  |  | $ | (994 | ) |  | $ | 1,258 |
Reconciliation of Expected to Actual Income Tax Expense | The following is a reconciliation of expected to actual income tax expense:
|  | Years Ended January 31, |
|  | 2016 |  |  | 2015 |  |  | 2014 |
|  | (in thousands) |
Federal income tax (benefit) expense at 34% |  | $ | (9,436 | ) |  | $ | (3,463 | ) |  | $ | 2,049 |
Changes in tax rates |  |  | (82 | ) |  |  | — |  |  |  | 22 |
Permanent differences |  |  | 509 |  |  |  | (224 | ) |  |  | 132 |
Foreign effective tax rate differential |  |  | 1,609 |  |  |  | 540 |  |  |  | (1,884 | )
Potential tax, penalties and interest resulting from uncertain tax positions |  |  | (236 | ) |  |  | (172 | ) |  |  | 32 |
Foreign withholding taxes |  |  | 717 |  |  |  | 920 |  |  |  | 642 |
Election to deduct foreign taxes in prior years U.S. income tax returns |  |  | 2,610 |  |  |  | — |  |  |  | — |
Valuation allowance on deferred tax assets |  |  | 15,477 |  |  |  | 1,379 |  |  |  | — |
Other |  |  | (191 | ) |  |  | 26 |  |  |  | 265 |
|  | $ | 10,977 |  |  | $ | (994 | ) |  | $ | 1,258 |
Company's Deferred Taxes | The components of the Company’s deferred taxes consisted of the following:
|  | As of January 31, |
|  | 2016 |  |  | 2015 |
|  | (in thousands) |
Deferred tax assets: |  |  |  |  |  |  |  |
Net operating losses |  | $ | 10,127 |  |  | $ | 4,053 |
Tax credit carry forwards |  |  | 823 |  |  |  | 4,472 |
Stock option book expense |  |  | 2,716 |  |  |  | 2,837 |
Allowance for doubtful accounts |  |  | 2,121 |  |  |  | 1,798 |
Allowance for inventory obsolescence |  |  | 116 |  |  |  | 68 |
Accruals not yet deductible for tax purposes |  |  | 636 |  |  |  | 421 |
Fixed assets |  |  | 299 |  |  |  | — |
Other |  |  | 627 |  |  |  | 620 |
Gross deferred tax assets |  |  | 17,465 |  |  |  | 14,269 |
Valuation allowance |  |  | (16,647 | ) |  |  | (1,379 | )
Deferred tax assets |  |  | 818 |  |  |  | 12,890 |
Deferred tax liabilities: |  |  |  |  |  |  |  |
Fixed assets |  |  | — |  |  |  | (636 | )
Intangible assets |  |  | (215 | ) |  |  | (390 | )
Foreign branch taxes |  |  | — |  |  |  | (274 | )
Other |  |  | (17 | ) |  |  | (4 | )
Deferred tax liabilities |  |  | (232 | ) |  |  | (1,304 | )
Unrecognized tax benefits |  |  | — |  |  |  | (237 | )
Total deferred tax assets, net |  | $ | 586 |  |  | $ | 11,349 |
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, |
|  | 2016 |  |  | 2015 |  |  | 2014 |
|  | (in thousands) |
Unrecognized tax benefits as of beginning of year |  | $ | 92 |  |  | $ | 254 |  |  | $ | — |
Increases as a result of tax positions taken in prior years |  |  | — |  |  |  | — |  |  |  | 254 |
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 |  |  | $ | 254 |

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