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Note 5 - Accumulated Other Comprehensive Loss (Tables) | 6 Months Ended
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Jun. 30, 2022
Notes Tables |
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] |
|  | Three Months Ended |  |  | Six Months Ended |
|  | June 30, |  |  | June 30, |
|  | 2022 |  |  | 2021 |  |  | 2022 |  |  | 2021 |
Foreign currency translation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period |  | $ | (1,674 | ) |  | $ | (1,563 | ) |  | $ | (1,604 | ) |  | $ | (1,370 | )
Other comprehensive (loss) income: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign currency translation adjustments (1) |  |  | (222 | ) |  |  | 133 |  |  |  | (292 | ) |  |  | (60 | )
Total accumulated other comprehensive loss |  | $ | (1,896 | ) |  | $ | (1,430 | ) |  | $ | (1,896 | ) |  | $ | (1,430 | )

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