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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2021
Income Taxes |
Income from Continuing Operations Before Income Taxes | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | For the year ended December 31,
​ |  | 2021 |  | 2020 |  | 2019
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
U.S. | ​ | $ | (15,056) | ​ | $ | 1,046 | ​ | $ | 3,223
Non-U.S. | ​ |  | (11,087) | ​ |  | (4,466) | ​ |  | 11,186
Total | ​ | $ | (26,143) | ​ | $ | (3,420) | ​ | $ | 14,409
Provision for Income Taxes | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | For the year ended December 31,
​ |  | 2021 |  | 2020 |  | 2019
Current: |  | ​ |  |  | ​ |  |  | ​ |
Federal | ​ | $ | (11) | ​ | $ | 1,715 | ​ | $ | 433
State | ​ |  | (23) | ​ |  | 49 | ​ |  | 107
Foreign | ​ |  | 2,478 | ​ |  | 1,758 | ​ |  | 7,629
Total current | ​ |  | 2,444 | ​ |  | 3,522 | ​ |  | 8,169
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Deferred: | ​ |  |  | ​ |  |  | ​ |  |
Federal | ​ |  | 3,774 | ​ |  | 1,385 | ​ |  | (970)
State | ​ |  | (3) | ​ |  | (24) | ​ |  | 24
Foreign | ​ |  | (1,774) | ​ |  | (2,848) | ​ |  | (678)
Total deferred | ​ |  | 1,997 | ​ |  | (1,487) | ​ |  | (1,624)
Total | ​ | $ | 4,441 | ​ | $ | 2,035 | ​ | $ | 6,545
Differences Between Income Tax Provisions and Provisions for Income Taxes | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | For the year ended December 31,
​ |  | 2021 |  | 2020 |  | 2019
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Expected tax at statutory rate | ​ | $ | (5,490) | ​ | $ | (718) | ​ | $ | 3,026
Foreign taxes at other rates | ​ |  | 307 | ​ |  | (309) | ​ |  | (914)
Valuation allowance changes | ​ |  | 15,019 | ​ |  | 2,617 | ​ |  | 2,042
Global intangible low-taxed income inclusion | ​ | ​ | — | ​ | ​ | 339 | ​ | ​ | (27)
State income taxes, net of federal benefit | ​ |  | (811) | ​ |  | 32 | ​ |  | 108
Uncertain tax positions | ​ | ​ | 12 | ​ | ​ | 235 | ​ | ​ | 1,845
Research credits | ​ | ​ | (3,466) | ​ | ​ | (1,029) | ​ | ​ | —
Disallowed expenses and other | ​ |  | (1,130) | ​ |  | 868 | ​ |  | 465
Total | ​ | $ | 4,441 | ​ | $ | 2,035 | ​ | $ | 6,545
Deferred Income Tax Balances | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | As of December 31,
​ |  | 2021 |  | 2020
Deferred tax assets: |  | ​ |  |  | ​ |
Stock and long-term compensation plans | ​ | $ | 1,337 | ​ | $ | 2,450
Foreign NOL & other carryforwards | ​ |  | 38,153 | ​ |  | 29,267
US and state NOL carryforwards | ​ |  | 5,539 | ​ |  | 718
Deferred revenue | ​ |  | 2,068 | ​ |  | 671
Pension liability | ​ |  | 1,547 | ​ |  | 2,074
Amortization and depreciation | ​ | ​ | 257 | ​ | ​ | 167
Lease liability | ​ |  | 3,171 | ​ |  | 3,837
Accrued expenses and other | ​ |  | 1,157 | ​ |  | 1,264
Total gross deferred tax assets | ​ |  | 53,229 | ​ |  | 40,448
Less: Valuation allowance | ​ |  | (34,979) | ​ |  | (19,992)
Net deferred income tax assets | ​ | $ | 18,250 | ​ | $ | 20,456
​ | ​ | ​ | ​ | ​ | ​ | ​
Deferred tax liabilities: | ​ |  |  | ​ |  |
Accruals | ​ | $ | 231 | ​ | $ | 286
Tax on unremitted foreign earnings | ​ |  | 1,357 | ​ |  | 1,809
Right of use asset | ​ | ​ | 2,872 | ​ | ​ | 3,251
Intangible assets | ​ |  | 5,225 | ​ |  | 6,135
Tax on credits | ​ | ​ | 3,439 | ​ | ​ | 2,241
Contract acquisition costs | ​ | ​ | 2,626 | ​ | ​ | 1,616
Deferred tax liabilities | ​ | $ | 15,750 | ​ | $ | 15,338
​ | ​ | ​ | ​ | ​ | ​ | ​
Net deferred tax assets (liabilities) | ​ | $ | 2,500 | ​ | $ | 5,118
​ | ​ | ​ | ​ | ​ | ​ | ​
Summary of Net Operating Loss Carryforwards | ​
​ | ​ | ​ | ​ | ​ | ​
​ |  | Carryforward |  | Expiration
NOL Carryforward |  | ​ |  |  |
Canada | ​ | $ | 40,759 |  | 2027-2039
United States | ​ | ​ | 19,113 | ​ | None
United Kingdom | ​ | ​ | 9,730 | ​ | None
Switzerland | ​ | ​ | 10,688 | ​ | 2028
Other foreign | ​ |  | 6,501 |  | None
Canada province | ​ | ​ | 40,730 | ​ | 2027-2039
U.S. states | ​ |  | 21,091 |  | 2021-2041
​ | ​ |  | 148,612 |  | ​
Other Carryforwards | ​ |  |  |  | ​
United States credit | ​ | ​ | 390 | ​ | 2031
Canada | ​ |  | 36,141 |  | None
Canada province | ​ | ​ | 50,272 | ​ | None
Capital loss | ​ | ​ | 407 | ​ | None
Canada credits | ​ |  | 7,227 |  | 2023-2041
Canada province credits | ​ | ​ | 3,052 | ​ | 2036-2041
​ | ​ |  | 97,489 |  |
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | $ | 246,101 |  |
Schedule of Reserves for Uncertain Tax Position | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | As of year ended December 31,
​ |  | 2021 |  | 2020 |  | 2019
Reserve at beginning of year | ​ | $ | 500 | ​ | $ | 2,923 | ​ | $ | 427
Increases related to prior year tax positions | ​ |  | 12 | ​ |  | 277 | ​ |  | 2,500
Decreases related to prior year tax positions | ​ | ​ | — | ​ | ​ | (37) | ​ | ​ | —
Lapse of statute of limitations | ​ |  | — | ​ |  | — | ​ |  | (4)
Settlement | ​ | ​ | — | ​ | ​ | (2,663) | ​ | ​ | —
Total | ​ | $ | 512 | ​ | $ | 500 | ​ | $ | 2,923
Summary of Income Tax Examinations | ​
​ | ​ | ​
Australia |  | 2013
Austria |  | 2015
Belgium |  | 2017
Canada |  | 2017
Netherlands |  | 2016
Singapore |  | 2016
Switzerland |  | 2019
United Kingdom | ​ | 2019
United States |  | 2017

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