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Note 1 - Summary of Significant Accounting Policies - Noncurrent Assets (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Property and Equipment, Net | $ 9,581 | $ 10,178
Operating Lease Assets | 4,827 |
Other assets | 3,719 | 3,906
UNITED STATES |  |
Property and Equipment, Net | 8,024 | 8,687
Operating Lease Assets | 4,827 |
Other assets | 3,719 | 3,898
MEXICO |  |
Property and Equipment, Net | 961 | 821
Operating Lease Assets |  |
Other assets |  | 8
CHINA |  |
Property and Equipment, Net | 596 | 670
Operating Lease Assets |  |
Other assets |  |

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