Note 2 - Foreign Exchange Rates	12 Months Ended
Dec. 31, 2023
Notes to Financial Statements
Unusual or Infrequent Items, or Both, Disclosure [Text Block]	Note 2 Foreign exchange rates For the years ended December 31, 2023, 2022, and 2021, approximately 29.6%, 21.6%, and 7.4% of revenue was denominated in currencies other than the U.S. Dollar (USD). Our financial statements are reported in USD and, accordingly, fluctuations in exchange rates affect the translation of revenues and expenses denominated in foreign currencies into USD for purposes of reporting our consolidated financial results. During the years ended December 31, 2023, 2022 and 2021, the most significant currency exchange rate exposures were to the Euro and the Chilean Peso. Gross accumulated currency translation adjustments recorded as a separate component of shareholders’ equity were $34.6 million and $39.9 million at December 31, 2023 and 2022, respectively. We are subject to foreign currency transaction risk for fluctuations in exchange rates during the period of time between the consummation and cash settlement of transactions. We limit foreign currency transaction risk through hedge transactions with foreign currency forward contracts. Under these forward contracts, for any rate above or below the fixed rate, we receive or pay the difference between the spot rate and the fixed rate for the given amount at the settlement date. At December 31, 2023, we had 52 open foreign exchange forward contracts relating to inventory purchases on letters of credit with various amounts maturing monthly through January 2024 with a notional value totaling approximately $2.9 million. At December 31, 2022, we had 194 open foreign exchange forward contracts relating to inventory purchases on letters of credit with various amounts that matured monthly through January 2023 with a notional value totaling approximately $11.9 million.

Note 2 - Foreign Exchange Rates

12 Months Ended

Dec. 31, 2023

Unusual or Infrequent Items, or Both, Disclosure [Text Block]

Note 2 Foreign exchange rates

For the years ended December 31, 2023, 2022, and 2021, approximately 29.6%, 21.6%, and 7.4% of revenue was denominated in currencies other than the U.S. Dollar (USD). Our financial statements are reported in USD and, accordingly, fluctuations in exchange rates affect the translation of revenues and expenses denominated in foreign currencies into USD for purposes of reporting our consolidated financial results. During the years ended December 31, 2023, 2022 and 2021, the most significant currency exchange rate exposures were to the Euro and the Chilean Peso. Gross accumulated currency translation adjustments recorded as a separate component of shareholders’ equity were $34.6 million and $39.9 million at December 31, 2023 and 2022, respectively.

We are subject to foreign currency transaction risk for fluctuations in exchange rates during the period of time between the consummation and cash settlement of transactions. We limit foreign currency transaction risk through hedge transactions with foreign currency forward contracts. Under these forward contracts, for any rate above or below the fixed rate, we receive or pay the difference between the spot rate and the fixed rate for the given amount at the settlement date. At December 31, 2023, we had 52 open foreign exchange forward contracts relating to inventory purchases on letters of credit with various amounts maturing monthly through January 2024 with a notional value totaling approximately $2.9 million. At December 31, 2022, we had 194 open foreign exchange forward contracts relating to inventory purchases on letters of credit with various amounts that matured monthly through January 2023 with a notional value totaling approximately $11.9 million.