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Note 9 - Segment Information - Geographic Data (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Net revenues | $ 64,380 | $ 58,994
Geographic Concentration Risk [Member] | Revenue Benchmark [Member] |  |
Percent of consolidated net revenue | 100.00% | 100.00%
UNITED STATES |  |
Net revenues | $ 26,194 | $ 23,353
UNITED STATES | Geographic Concentration Risk [Member] | Revenue Benchmark [Member] |  |
Percent of consolidated net revenue | 40.70% | 39.70%
BRAZIL |  |
Net revenues | $ 18,082 | $ 15,568
BRAZIL | Geographic Concentration Risk [Member] | Revenue Benchmark [Member] |  |
Percent of consolidated net revenue | 28.10% | 26.40%
SOUTH AFRICA |  |
Net revenues | $ 9,701 | $ 9,198
SOUTH AFRICA | Geographic Concentration Risk [Member] | Revenue Benchmark [Member] |  |
Percent of consolidated net revenue | 15.10% | 15.60%
MEXICO |  |
Net revenues | $ 2,472 | $ 2,410
MEXICO | Geographic Concentration Risk [Member] | Revenue Benchmark [Member] |  |
Percent of consolidated net revenue | 3.80% | 4.10%
CHINA |  |
Net revenues | $ 2,677 | $ 2,860
CHINA | Geographic Concentration Risk [Member] | Revenue Benchmark [Member] |  |
Percent of consolidated net revenue | 4.20% | 4.80%
JAPAN |  |
Net revenues | $ 1,553 | $ 2,023
JAPAN | Geographic Concentration Risk [Member] | Revenue Benchmark [Member] |  |
Percent of consolidated net revenue | 2.40% | 3.40%
CANADA |  |
Net revenues | $ 1,830 | $ 1,647
CANADA | Geographic Concentration Risk [Member] | Revenue Benchmark [Member] |  |
Percent of consolidated net revenue | 2.80% | 2.80%
INDIA |  |
Net revenues | $ 1,406 | $ 1,616
INDIA | Geographic Concentration Risk [Member] | Revenue Benchmark [Member] |  |
Percent of consolidated net revenue | 2.20% | 2.70%
AUSTRALIA |  |
Net revenues | $ 465 | $ 319
AUSTRALIA | Geographic Concentration Risk [Member] | Revenue Benchmark [Member] |  |
Percent of consolidated net revenue | 0.70% | 0.50%

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