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Note 1 - Summary of Significant Accounting Policies - Noncurrent Assets (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Property and Equipment, Net | $ 6,408 | $ 5,833
Operating Lease Assets | 7,850 | 8,983
Other Assets | 422 | 501
UNITED STATES |  |
Property and Equipment, Net | 5,109 | 4,664
Operating Lease Assets | 5,381 | 5,287
Other Assets | 422 | 501
MEXICO |  |
Property and Equipment, Net | 494 | 454
Operating Lease Assets | 2,469 | 2,800
Other Assets | 0 | 0
CHINA |  |
Property and Equipment, Net | 805 | 715
Operating Lease Assets | 0 | 896
Other Assets | $ 0 | $ 0

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