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Note 9 - Segment Information - Geographic Data (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2021 | Mar. 31, 2020
Net revenues | $ 61,097 | $ 61,348
BRAZIL |  |
Net revenues | $ 12,300 | $ 15,564
BRAZIL | Geographic Concentration Risk [Member] | Revenue Benchmark [Member] |  |
Percent of consolidated net revenue | 20.10% | 25.40%
SOUTH AFRICA |  |
Net revenues | $ 7,722 | $ 6,914
SOUTH AFRICA | Geographic Concentration Risk [Member] | Revenue Benchmark [Member] |  |
Percent of consolidated net revenue | 12.60% | 11.30%
MEXICO |  |
Net revenues | $ 7,259 | $ 5,847
MEXICO | Geographic Concentration Risk [Member] | Revenue Benchmark [Member] |  |
Percent of consolidated net revenue | 11.90% | 9.50%
CHINA |  |
Net revenues | $ 3,263 | $ 2,564
CHINA | Geographic Concentration Risk [Member] | Revenue Benchmark [Member] |  |
Percent of consolidated net revenue | 5.30% | 4.20%
JAPAN |  |
Net revenues | $ 2,450 | $ 2,782
JAPAN | Geographic Concentration Risk [Member] | Revenue Benchmark [Member] |  |
Percent of consolidated net revenue | 4.00% | 4.50%
INDIA |  |
Net revenues | $ 2,226 | $ 2,291
INDIA | Geographic Concentration Risk [Member] | Revenue Benchmark [Member] |  |
Percent of consolidated net revenue | 3.60% | 3.70%
CANADA |  |
Net revenues | $ 1,878 | $ 1,717
CANADA | Geographic Concentration Risk [Member] | Revenue Benchmark [Member] |  |
Percent of consolidated net revenue | 3.10% | 2.80%
AUSTRALIA |  |
Net revenues | $ 323 | $ 380
AUSTRALIA | Geographic Concentration Risk [Member] | Revenue Benchmark [Member] |  |
Percent of consolidated net revenue | 0.50% | 0.60%
International [Member] |  |
Net revenues | $ 37,421 | $ 38,059
International [Member] | Geographic Concentration Risk [Member] | Revenue Benchmark [Member] |  |
Percent of consolidated net revenue | 61.10% | 62.00%

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