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Note 7 - Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2022
Notes Tables |
Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] |
|  | Year Ended December 31, |
|  | 2022 |  |  | 2021 |
Domestic |  | $ | (982 | ) |  | $ | (1,127 | )
Foreign |  |  | 1,584 |  |  |  | 2,637 |
Income before income taxes |  | $ | 602 |  |  | $ | 1,510 |
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] |
|  | Year Ended December 31, |
|  | 2022 |  |  | 2021 |
Current taxes: |  |  |  |  |  |  |  |
Federal |  | $ | (16 | ) |  | $ | (207 | )
State |  |  | 9 |  |  |  | 9 |
Foreign |  |  | 195 |  |  |  | 267 |
Total current taxes |  |  | 188 |  |  |  | 69 |
Deferred taxes: |  |  |  |  |  |  |  |
Federal |  |  | 58 |  |  |  | 309 |
State |  |  | 4 |  |  |  | 7 |
Foreign |  |  | 39 |  |  |  | 40 |
Total deferred taxes |  |  | 101 |  |  |  | 356 |
Income tax provision |  | $ | 289 |  |  | $ | 425 |
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] |
|  | Year Ended December 31, |
|  | 2022 |  |  | 2021 |
Income tax at federal statutory rate |  | $ | 126 |  |  | $ | 317 |
Effect of permanent differences |  |  | 154 |  |  |  | 274 |
U.S. foreign income inclusions |  |  | 89 |  |  |  | 183 |
Change in valuation allowance |  |  | (68 | ) |  |  | (37 | )
Foreign rate differential |  |  | (41 | ) |  |  | (221 | )
Foreign tax credits |  |  | (2 | ) |  |  | (32 | )
Stock-based compensation |  |  | 22 |  |  |  | 10 |
Net operating loss carryback |  |  | — |  |  |  | (84 | )
Other reconciling items |  |  | 9 |  |  |  | 15 |
Income tax provision |  | $ | 289 |  |  | $ | 425 |
Income Tax Foreign Rate Differential [Table Text Block] |
|  |  |  |  |  | Year Ended December 31, |
|  | Statutory Tax Rate |  |  | 2022 |  |  | 2021 |
Cayman Islands |  |  | — | % |  | $ | 1,104 |  |  | $ | 2,696 |
Hong Kong |  |  | 16.5 | % |  |  | 1,105 |  |  |  | 742 |
China |  |  | 25.0 | % |  |  | 143 |  |  |  | 152 |
Schedule of Deferred Tax Assets and Liabilities [Table Text Block] |
|  | December 31, |
|  | 2022 |  |  | 2021 |
Deferred tax assets: |  |  |  |  |  |  |  |
Net operating losses |  | $ | 411 |  |  | $ | 490 |
Stock-based compensation |  |  | — |  |  |  | 170 |
Operating lease liabilities |  |  | 451 |  |  |  | 396 |
Other |  |  | 70 |  |  |  | 51 |
Total deferred tax assets |  |  | 932 |  |  |  | 1,107 |
Valuation allowance |  |  | (235 | ) |  |  | (303 | )
Net deferred tax assets |  |  | 697 |  |  |  | 804 |
Deferred tax liabilities: |  |  |  |  |  |  |  |
Operating lease assets |  |  | (419 | ) |  |  | (376 | )
Foreign deferreds |  |  | (141 | ) |  |  | (153 | )
Prepaids |  |  | (83 | ) |  |  | (113 | )
Other |  |  | — |  |  |  | (6 | )
Total deferred tax liabilities |  |  | (643 | ) |  |  | (648 | )
Net deferred tax assets |  | $ | 54 |  |  | $ | 156 |

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