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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2015
Income Tax Disclosure [Abstract] |
Components of Income (Loss) from Continuing Operations | Components of the Company’s income (loss) from continuing operations before income taxes are as follows (in thousands):
| Year Ended December 31, |
| 2015 |  |  | 2014 |  |  | 2013 |
Income (loss) from continuing operations before income taxes: |  |  |  |  |  |  |  |  |  |  |
Canadian | $ | (1,674 | ) |  | $ | (20,212 | ) |  | $ | (5,366 | )
U.S. |  | 23,298 |  |  |  | (9,661 | ) |  |  | 12,838 |
Other |  | 24,398 |  |  |  | 11,958 |  |  |  | 8,705 |
Total | $ | 46,022 |  |  | $ | (17,915 | ) |  | $ | 16,177 |
Components of Income Tax Provision (Benefit) | Components of the Company’s income tax provision (benefit) are as follows (in thousands):
| Year Ended December 31, |
| 2015 |  |  | 2014 |  |  | 2013 |
Current |  |  |  |  |  |  |  |  |  |  |
Canadian | $ | 96 |  |  | $ | 175 |  |  | $ | — |
U.S. |  | 8,136 |  |  |  | 3,615 |  |  |  | 1,662 |
Other |  | 3,854 |  |  |  | 1,940 |  |  |  | 652 |
|  | 12,086 |  |  |  | 5,730 |  |  |  | 2,314 |
Deferred |  |  |  |  |  |  |  |  |  |  |
Canadian |  | — |  |  |  | — |  |  |  | — |
U.S. |  | (3,239 | ) |  |  | (6,731 | ) |  |  | 2,206 |
Other |  | 1,547 |  |  |  | (5 | ) |  |  | 1,680 |
|  | (1,692 | ) |  |  | (6,736 | ) |  |  | 3,886 |
Total | $ | 10,394 |  |  | $ | (1,006 | ) |  | $ | 6,200 |
Reconciliation of Statutory Canadian Tax rate to Effective Tax Rate | The reconciliation of the statutory Canadian tax rate to the effective tax rate related to income before income taxes from continuing operations is as follows (in thousands, except percentage data):
| Year Ended December 31, |
| 2015 |  |  | 2014 |  |  | 2013 |
Statutory Canadian tax rate |  | 27.00 | % |  |  | 27.00 | % |  |  | 26.00 | %
Expected income tax provision at Canadian statutory tax rate | $ | 12,426 |  |  | $ | (4,837 | ) |  | $ | 4,206 |
International tax rate differences |  | 304 |  |  |  | (1,132 | ) |  |  | 156 |
State income taxes, net |  | 453 |  |  |  | (271 | ) |  |  | 148 |
Withholding and other taxes |  | 680 |  |  |  | 421 |  |  |  | 321 |
Permanent differences |  | 1,130 |  |  |  | 486 |  |  |  | 106 |
Section 199 deduction |  | (1,188 | ) |  |  | (574 | ) |  |  | — |
Change in valuation allowance |  | (612 | ) |  |  | 4,809 |  |  |  | (3,076 | )
Provision to return differences |  | (617 | ) |  |  | 962 |  |  |  | (312 | )
Tax credits |  | (990 | ) |  |  | (1,678 | ) |  |  | (938 | )
Net operating loss expirations |  | — |  |  |  | — |  |  |  | 4,538 |
Statutory tax rate change |  | 95 |  |  |  | (13 | ) |  |  | 354 |
Uncertain tax positions |  | 121 |  |  |  | 134 |  |  |  | 259 |
IRS audit |  | (748 | ) |  |  | 241 |  |  |  | 680 |
JK Lasers divestiture |  | (1,432 | ) |  |  | — |  |  |  | — |
Goodwill impairment |  | — |  |  |  | 330 |  |  |  | — |
Other |  | 772 |  |  |  | 116 |  |  |  | (242 | )
Reported income tax provision (benefit) | $ | 10,394 |  |  | $ | (1,006 | ) |  | $ | 6,200 |
Effective tax rate |  | 22.6 | % |  |  | 5.6 | % |  |  | 38.3 | %
Significant Components of Deferred Tax Assets and Liabilities | Significant components of the Company’s deferred tax assets and liabilities as of December 31, 2015 and 2014 are as follows (in thousands):
| December 31, |
| 2015 |  |  | 2014 |
Deferred tax assets: |  |  |  |  |  |  |
Losses & IRC Section 163(j) carryforwards | $ | 9,985 |  |  | $ | 12,742 |
Compensation related deductions |  | 2,915 |  |  |  | 3,749 |
Tax credits |  | 2,409 |  |  |  | 3,502 |
Restructuring related liabilities |  | 294 |  |  |  | 64 |
Inventory |  | 4,415 |  |  |  | 4,495 |
Depreciation |  | 503 |  |  |  | 683 |
Amortization |  | 3,205 |  |  |  | — |
Warranty |  | 1,127 |  |  |  | 876 |
Other |  | 1,281 |  |  |  | 2,206 |
Total deferred tax assets |  | 26,134 |  |  |  | 28,317 |
Valuation allowance for deferred tax assets |  | (12,537 | ) |  |  | (14,495 | )
Net deferred tax assets | $ | 13,597 |  |  | $ | 13,822 |
Deferred tax liabilities: |  |  |  |  |  |  |
Equity investment | $ | (1,733 | ) |  | $ | (1,594 | )
Depreciation |  | — |  |  |  | (341 | )
Amortization |  | (2,791 | ) |  |  | (36 | )
Unrealized currency gain/loss |  | (1,292 | ) |  |  | (2,595 | )
Other |  | (345 | ) |  |  | (525 | )
Total deferred tax liabilities | $ | (6,161 | ) |  | $ | (5,091 | )
Net deferred income tax assets (liabilities) | $ | 7,436 |  |  | $ | 8,731 |
Reconciliation of Total Amounts of Unrecognized Tax Benefits | The reconciliation of the total amounts of unrecognized tax benefits is as follows (in thousands):
Balance at December 31, 2012 | $ | 7,554 |
Additions based on tax positions related to the current year |  | 508 |
Additions for tax positions of prior years |  | 1,475 |
Reductions for tax positions of prior years |  | (1,888 | )
Reductions to tax positions resulting from a lapse of the applicable statute of limitations |  | (575 | )
Balance at December 31, 2013 |  | 7,074 |
Additions based on tax positions related to the current year |  | 1,180 |
Additions for tax positions of prior years |  | 2,601 |
Reductions for tax positions of prior years |  | (2,404 | )
Reductions to tax positions resulting from a lapse of the applicable statute of limitations |  | (2,177 | )
Balance at December 31, 2014 |  | 6,274 |
Additions based on tax positions related to the current year |  | 752 |
Additions for tax positions of prior years |  | 78 |
Reductions for tax positions of prior years |  | (626 | )
Reductions to tax positions resulting from a lapse of the applicable statute of limitations |  | (226 | )
Settlements with tax authorities |  | (762 | )
Balance at December 31, 2015 | $ | 5,490 |
Income Tax Returns to be Reviewed | The Company’s income tax returns may be reviewed by tax authorities in the following countries for the following periods under the appropriate statute of limitations:
United States | 2009 - Present
Canada | 2010 - Present
United Kingdom | 2014 - Present
Germany | 2008 - Present
Netherlands | 2010 - Present
China | 2012 - Present
Japan | 2011 - Present

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