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Note 11 - Segment Information (Tables) | 9 Months Ended
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Sep. 30, 2021
Notes Tables |
Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block] |
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
|  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |
Net sales: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Primary Reporting Segment |  | $ | 13,576 |  |  | $ | 13,294 |  |  | $ | 41,679 |  |  | $ | 42,718 |
China |  |  | 501 |  |  |  | 640 |  |  |  | 1,596 |  |  |  | 2,156 |
Russia and Kazakhstan |  |  | 199 |  |  |  | 190 |  |  |  | 622 |  |  |  | 602 |
Total net sales |  | $ | 14,276 |  |  | $ | 14,124 |  |  | $ | 43,897 |  |  | $ | 45,476 |
Income (loss) from operations: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Primary Reporting Segment |  | $ | 2,558 |  |  | $ | 2,715 |  |  | $ | 7,803 |  |  | $ | 6,038 |
China |  |  | 5 |  |  |  | 134 |  |  |  | 51 |  |  |  | 64 |
Russia and Kazakhstan |  |  | 5 |  |  |  | (59 | ) |  |  | (101 | ) |  |  | (37 | )
Income from operations for reportable segments, net |  |  | 2,568 |  |  |  | 2,790 |  |  |  | 7,753 |  |  |  | 6,065 |
Unallocated corporate expenses |  |  | (2,089 | ) |  |  | (2,122 | ) |  |  | (6,669 | ) |  |  | (6,662 | )
Other income (expense), net |  |  | (53 | ) |  |  | 385 |  |  |  | (92 | ) |  |  | 603 |
Income before income taxes |  | $ | 426 |  |  | $ | 1,053 |  |  | $ | 992 |  |  | $ | 6 |
Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block] |
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
|  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |
Net sales from external customers: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
United States |  | $ | 279 |  |  | $ | 338 |  |  | $ | 918 |  |  | $ | 1,202 |
Canada |  |  | 140 |  |  |  | 132 |  |  |  | 481 |  |  |  | 536 |
Peru |  |  | 608 |  |  |  | 357 |  |  |  | 1,752 |  |  |  | 954 |
Hong Kong1 |  |  | 11,201 |  |  |  | 11,132 |  |  |  | 34,227 |  |  |  | 36,238 |
China |  |  | 501 |  |  |  | 640 |  |  |  | 1,596 |  |  |  | 2,156 |
Taiwan |  |  | 584 |  |  |  | 771 |  |  |  | 1,990 |  |  |  | 2,261 |
South Korea |  |  | 51 |  |  |  | 52 |  |  |  | 202 |  |  |  | 220 |
Russia and Kazakhstan |  |  | 199 |  |  |  | 190 |  |  |  | 622 |  |  |  | 602 |
Europe |  |  | 258 |  |  |  | 259 |  |  |  | 869 |  |  |  | 747 |
Other foreign countries |  |  | 455 |  |  |  | 253 |  |  |  | 1,240 |  |  |  | 560 |
Total net sales |  | $ | 14,276 |  |  | $ | 14,124 |  |  | $ | 43,897 |  |  | $ | 45,476 |

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