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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2020
Income Taxes |
Income from Continuing Operations Before Income Taxes | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | For the year ended December 31,
​ |  | 2020 |  | 2019 |  | 2018
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
U.S. | ​ | $ | 1,046 | ​ | $ | 3,223 | ​ | $ | (4,347)
Non-U.S. | ​ |  | (4,466) | ​ |  | 11,186 | ​ |  | 6,956
Total | ​ | $ | (3,420) | ​ | $ | 14,409 | ​ | $ | 2,609
Provision for Income Taxes | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | For the year ended December 31,
​ |  | 2020 |  | 2019 |  | 2018
Current: |  | ​ |  |  | ​ |  |  | ​ |
Federal | ​ | $ | 1,715 | ​ | $ | 433 | ​ | $ | (3,792)
State | ​ |  | 49 | ​ |  | 107 | ​ |  | 97
Foreign | ​ |  | 1,758 | ​ |  | 7,629 | ​ |  | 10,691
Total current | ​ |  | 3,522 | ​ |  | 8,169 | ​ |  | 6,996
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Deferred: | ​ |  |  | ​ |  |  | ​ |  |
Federal | ​ |  | 1,385 | ​ |  | (970) | ​ |  | (333)
State | ​ |  | (24) | ​ |  | 24 | ​ |  | 15
Foreign | ​ |  | (2,848) | ​ |  | (678) | ​ |  | (7,113)
Total deferred | ​ |  | (1,487) | ​ |  | (1,624) | ​ |  | (7,431)
Total | ​ | $ | 2,035 | ​ | $ | 6,545 | ​ | $ | (435)
Differences Between Income Tax Provisions and Provisions for Income Taxes | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | For the year ended December 31,
​ |  | 2020 |  | 2019 |  | 2018
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Expected tax at statutory rate | ​ | $ | (718) | ​ | $ | 3,026 | ​ | $ | 549
Foreign taxes at other rates | ​ |  | (309) | ​ |  | (914) | ​ |  | (1,252)
Valuation allowances on NOL carryforwards | ​ |  | 2,617 | ​ |  | 2,042 | ​ |  | 2,894
US tax reform - deemed repatriation | ​ | ​ | — | ​ | ​ | — | ​ | ​ | (2,534)
Global intangible low-taxed income inclusion | ​ | ​ | 339 | ​ | ​ | (27) | ​ | ​ | 23
US tax reform - deferred tax expense from tax rate change | ​ | ​ | — | ​ | ​ | — | ​ | ​ | (462)
State income taxes, net of federal benefit | ​ |  | 32 | ​ |  | 108 | ​ |  | (79)
Uncertain tax positions | ​ | ​ | 235 | ​ | ​ | 1,845 | ​ | ​ | 171
Disallowed expenses and other | ​ |  | (161) | ​ |  | 465 | ​ |  | 255
Total | ​ | $ | 2,035 | ​ | $ | 6,545 | ​ | $ | (435)
Deferred Income Tax Balances | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | As of December 31,
​ |  | 2020 |  | 2019
Deferred tax assets: |  | ​ |  |  | ​ |
Stock and long-term compensation plans | ​ | $ | 2,450 | ​ | $ | 2,405
Foreign NOL & other carryforwards | ​ |  | 29,267 | ​ |  | 24,867
US state NOL carryforwards | ​ |  | 718 | ​ |  | 670
Deferred revenue | ​ |  | 671 | ​ |  | 684
Pension liability, net | ​ |  | 2,074 | ​ |  | 1,509
Amortization and depreciation | ​ | ​ | 167 | ​ | ​ | 586
Lease liability | ​ |  | 3,837 | ​ |  | 2,807
Accrued expenses and other | ​ |  | 1,264 | ​ |  | 1,013
Total gross deferred tax assets | ​ |  | 40,448 | ​ |  | 34,541
Less: Valuation allowance | ​ |  | (19,992) | ​ |  | (17,255)
Net deferred income tax assets | ​ | $ | 20,456 | ​ | $ | 17,286
​ | ​ | ​ | ​ | ​ | ​ | ​
Deferred tax liabilities: | ​ |  |  | ​ |  |
Accruals | ​ | $ | 286 | ​ | $ | 741
Tax on unremitted foreign earnings | ​ |  | 1,809 | ​ |  | 2,058
Right of use asset | ​ | ​ | 3,251 | ​ | ​ | 2,124
Intangible assets | ​ |  | 6,135 | ​ |  | 8,046
Tax on credits | ​ | ​ | 2,241 | ​ | ​ | 627
Contract acquisition costs | ​ | ​ | 1,616 | ​ | ​ | 450
Deferred tax liabilities | ​ | $ | 15,338 | ​ | $ | 14,046
​ | ​ | ​ | ​ | ​ | ​ | ​
Net deferred tax assets (liabilities) | ​ | $ | 5,118 | ​ | $ | 3,240
Summary of Net Operating Loss Carryforwards | ​
​ | ​ | ​ | ​ | ​ | ​
​ |  | Carryforward |  | Expiration
NOL Carryforward |  | ​ |  |  |
Canada | ​ | $ | 46,329 |  | 2027-2040
United Kingdom | ​ | ​ | 8,882 | ​ | None
Other foreign | ​ |  | 7,323 |  | None
Canada province | ​ | ​ | 47,310 | ​ | 2027-2040
U.S. states | ​ |  | 9,615 |  | 2021-2030
​ | ​ |  | 119,459 |  | ​
Other Carryforwards | ​ |  |  |  | ​
Canada | ​ |  | 29,415 |  | None
Canada province | ​ | ​ | 29,415 | ​ | None
Capital loss | ​ | ​ | 432 | ​ | None
Canada (credit) | ​ |  | 5,475 |  | 2023-2040
​ | ​ |  | 64,737 |  |
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | $ | 184,196 |  |
Schedule of Reserves for Uncertain Tax Position | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | As of year ended December 31,
​ |  | 2020 |  | 2019 |  | 2018
Reserve at beginning of year | ​ | $ | 2,923 | ​ | $ | 427 | ​ | $ | 107
Increases related to prior year tax positions | ​ |  | 277 | ​ |  | 2,500 | ​ |  | 427
Decreases related to prior year tax positions | ​ | ​ | (37) | ​ | ​ | — | ​ | ​ | —
Lapse of statute of limitations | ​ |  | — | ​ |  | (4) | ​ |  | (107)
Settlement | ​ | ​ | (2,663) | ​ | ​ | — | ​ | ​ | —
Total | ​ | $ | 500 | ​ | $ | 2,923 | ​ | $ | 427
Summary of Income Tax Examinations | ​
​ | ​ | ​
Australia |  | 2012
Austria |  | 2014
Belgium |  | 2016
Canada |  | 2016
Netherlands |  | 2015
Singapore |  | 2015
Switzerland |  | 2019
United Kingdom | ​ | 2018
United States |  | 2017

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- Definition Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319 + Details
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