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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2022
Income Tax Disclosure [Abstract] |
Schedule of Income (Loss) before Income Tax, Domestic and Foreign | Domestic and foreign pre-tax loss is as follows:
| Year Ended December 31,
| 2022 |  | 2021 |  |
Domestic | $ | (20,196) |  |  | $ | (10,967) |  |  |
Foreign | 4,079 |  |  | (8,578) |  |  |
Domestic and foreign pre-tax loss | $ | (16,117) |  |  | $ | (19,545) |  |  |
Schedule of Components of Income Tax Expense (Benefit) | Income tax expense (benefit) attributable to operations is comprised of the following:
| Year Ended December 31,
| 2022 |  | 2021 |  |
Current: |  |  |  |  |
Federal | $ | 396 |  |  | $ | (27) |  |  |
State | 14 |  |  | 19 |  |  |
Foreign | (1,722) |  |  | 643 |  |  |
Total current | (1,312) |  |  | 635 |  |  |
Deferred: |  |  |  |  |
Federal | (364) |  |  | — |  |  |
Foreign | 792 |  |  | (768) |  |  |
Total deferred | 428 |  |  | (768) |  |  |
Income tax benefit | $ | (884) |  |  | $ | (133) |  |  |
Schedule of Effective Income Tax Rate Reconciliation | The reconciliation of the U.S. federal statutory income tax rate to our effective income tax rate is as follows:
| Year Ended December 31,
| 2022 |  | 2021 |  |
Federal statutory rate | 21 | % |  | 21 | % |  |
Impact of foreign earnings | (27) |  |  | 3 |  |  |
Change in valuation allowance | 28 |  |  | 24 |  |  |
Tax contingencies, net of reversals | 13 |  |  | (5) |  |  |
Corporate restructuring | (11) |  |  | (38) |  |  |
Expiration of tax attributes | (12) |  |  | (6) |  |  |
Permanent items | (2) |  |  | 4 |  |  |
Research and development credits | 4 |  |  | 2 |  |  |
Stock-based compensation | (4) |  |  | (1) |  |  |
Other | (5) |  |  | (3) |  |  |
Effective income tax rate | 5 | % |  | 1 | % |  |
Schedule of Deferred Tax Assets, Liabilities, and Valuation Allowance | Significant components of our deferred tax assets and liabilities are as follows:
| December 31,
| 2022 |  | 2021
Deferred tax assets: |  |  |
Research and experimentation credit and deduction carryforwards | $ | 60,041 |  |  | $ | 62,771 |
Net operating loss carryforwards | 44,424 |  |  | 45,985 |
Depreciation and amortization | 5,568 |  |  | 5,664 |
Reserves and accrued expenses | 1,000 |  |  | 992 |
Deferred stock-based compensation | 821 |  |  | 994 |
Foreign tax credit carryforwards | 163 |  |  | 208 |
Other | 1,201 |  |  | 1,451 |
Total gross deferred tax assets | 113,218 |  |  | 118,065 |
Deferred tax liabilities: |  |  |
Foreign earnings | (212) |  |  | — |
Other | (620) |  |  | (812) |
Total gross deferred tax liabilities | (832) |  |  | (812) |
Less valuation allowance | (111,941) |  |  | (116,372) |
Net deferred tax assets | $ | 445 |  |  | $ | 881 |
Summary of Uncertain Tax Positions and Interest and Penalties | The following is a summary of the change in our liability for uncertain tax positions and interest and penalties:
| 2022 |  | 2021
Uncertain tax positions: |  |  |
Balance at beginning of year | $ | 3,646 |  |  | $ | 2,711 |
Accrual for positions taken in a prior year | (214) |  |  | 825 |
Accrual for positions taken in current year | 117 |  |  | 121 |
Reversals due to lapse of statute of limitations | (97) |  |  | (11) |
Reversals due to positions taken in the current year | (1,809) |  |  | — |
Balance at end of year | $ | 1,643 |  |  | $ | 3,646 |
Interest and penalties: |  |  |
Balance at beginning of year | $ | 101 |  |  | $ | 88 |
Accrual for positions taken in prior year | 11 |  |  | 16 |
Accrual for positions taken in current year | — |  |  | — |
Reversals due to lapse of statute of limitations | (24) |  |  | (3) |
Balance at end of year | $ | 88 |  |  | $ | 101 |

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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=121826272&loc=d3e32537-109319 + Details
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- Definition Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319 + Details
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- Definition Tabular disclosure for tax positions taken in the tax returns filed or to be filed for which it is more likely than not that the tax position will not be sustained upon examination by taxing authorities and other income tax contingencies. Includes, but is not limited to, interest and penalties, reconciliation of unrecognized tax benefits, unrecognized tax benefits that would affect the effective tax rate, tax years that remain subject to examination by tax jurisdictions, and information about positions for which it is reasonably possible that amounts unrecognized will significantly change within 12 months. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -URI http://asc.fasb.org/extlink&oid=121826272&loc=SL6600010-109319 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32718-109319 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32840-109319 + Details
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