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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2023
Income Taxes |
Schedule of components of provision for income taxes | The significant components of the provision for income taxes for the years ended December 31, 2023 and 2022 were as follows (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 2023 |  | 2022
Current income tax expense (benefit): |  | ​ |  |  | ​ |
Foreign | ​ | $ | 1,181 | ​ | $ | 1,131
Federal | ​ |  | 120 | ​ |  | 144
State and local | ​ |  | 3 | ​ |  | 30
​ | ​ |  | 1,304 | ​ |  | 1,305
Deferred income tax expense (benefit): | ​ |  |  | ​ |  |
Foreign | ​ |  | (286) | ​ |  | 207
Federal | ​ |  | 10 | ​ |  | 10
State and local | ​ |  | - | ​ |  | -
​ | ​ |  | (276) | ​ |  | 217
Provision for income taxes | ​ | $ | 1,028 | ​ | $ | 1,522
Schedule of reconciliation of U.S. statutory rate with Company's effective tax rate | The reconciliation of the U.S. statutory rate with the Company’s effective tax rate for the years ended December 31, 2023 and 2022 is summarized as follows: ​
​ | ​ | ​ | ​ | ​ | ​
​ |  | 2023 |  | 2022 |
Federal income tax expense (benefit) at statutory rate |  | 21.0 | % | (21.0) | %
Effect of: |  | ​ |  | ​ | ​
Change in valuation allowance |  | 578.6 |  | 36.9 | ​
Tax effects of foreign operations |  | 562.6 |  | 2.5 | ​
Section 162 (m) | ​ | 452.0 | ​ | - | ​
Return to provision true up |  | 264.4 |  | 0.3 | ​
Increase in unrecognized tax benefits (ASC 740) |  | 199.6 |  | 0.7 | ​
Withholding tax | ​ | 106.6 | ​ | - | ​
Foreign operations permanent differences - foreign exchange gains and losses | ​ | 76.9 | ​ | 1.1 | ​
State income tax net of federal benefit |  | 0.1 |  | 0.2 | ​
Research and development credit | ​ | (67.3) | ​ | - | ​
Foreign rate differential |  | (102.5) |  | (4.7) | ​
Deemed interest | ​ | (149.2) | ​ | (1.9) | ​
Tax effect of intercompany settlement | ​ | (234.0) | ​ | - | ​
Effect of stock-based compensation |  | (961.6) |  | (0.3) | ​
Other | ​ | (7.6) | ​ | 0.7 | ​
Effective tax rate |  | 739.6 | % | 14.5 | %
Schedule of deferred tax assets and liabilities | Deferred tax assets and liabilities are classified as non-current. Significant components of the Company’s deferred tax assets and liabilities as of December 31, 2023 and 2022 were as follows (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31,
​ |  | 2023 |  | 2022
Deferred income tax assets: |  | ​ |  |  | ​ |
Allowances not currently deductible | ​ | $ | 283 | ​ | $ | 301
Depreciation and amortization | ​ |  | 58 | ​ |  | 9
Equity compensation not currently deductible | ​ |  | 2,098 | ​ |  | 1,579
Net operating loss carryforwards | ​ |  | 10,514 | ​ |  | 10,758
Research and development credits | ​ | ​ | 452 | ​ | ​ | 362
Expenses not deductible until paid | ​ |  | 1,972 | ​ |  | 1,694
Other | ​ |  | 133 | ​ |  | (220)
Total gross deferred income tax assets before valuation allowance | ​ |  | 15,510 | ​ |  | 14,483
Valuation allowance | ​ |  | (13,769) | ​ |  | (13,008)
Deferred income tax assets, net | ​ | ​ | 1,741 | ​ | ​ | 1,475
​ | ​ | ​ | ​ | ​ | ​ | ​
Deferred income tax liabilities: | ​ |  |  | ​ |  |
Other | ​ |  | (22) | ​ |  | (65)
Total deferred income tax liabilities | ​ |  | (22) | ​ |  | (65)
​ | ​ | ​ | ​ | ​ | ​ | ​
Net deferred income tax assets | ​ | $ | 1,719 | ​ | $ | 1,410
​ | ​ | ​ | ​ | ​ | ​ | ​
Net deferred income tax assets | ​ | $ | 1,741 | ​ | $ | 1,475
Net deferred income tax liability | ​ | ​ | (22) | ​ | ​ | (65)
​ | ​ | ​ | ​ | ​ | ​ | ​
Net deferred income tax assets | ​ | $ | 1,719 | ​ | $ | 1,410
Schedule of United States and foreign components of loss before provision for income taxes | United States and foreign components of loss before provision for income taxes for each of the years ended December 31, were as follows (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | 2023 | ​ | 2022
United States | ​ | $ | 2,025 | ​ | $ | (4,023)
Foreign | ​ |  | (1,886) | ​ |  | (6,460)
Totals | ​ | $ | 139 | ​ | $ | (10,483)
Schedule of roll forward of the Company's unrecognized tax benefits and associated interest | The following table represents a roll forward of the Company’s unrecognized tax benefits and associated interest for the years ended (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Unrecognized Tax
​ | ​ | Benefits
​ | ​ | December 31,
​ |  | 2023 |  | 2022
Balance at January 1 | ​ | $ | 1,680 | ​ | $ | 1,753
Decrease for prior year tax positions | ​ |  | (68) | ​ |  | (290)
Increase for current year tax positions | ​ |  | 247 | ​ |  | 311
Interest accrual | ​ |  | 97 | ​ |  | 67
Foreign currency remeasurement | ​ |  | (14) | ​ |  | (161)
Balance at December 31 | ​ | $ | 1,942 | ​ | $ | 1,680

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