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Note 1 - Summary of Significant Accounting Policies - Noncurrent Assets (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Total Property and Equipment, Net | $ 6,426 | $ 9,581
Operating Lease Assets | 8,998 | 4,827
Other assets | 1,173 | 3,718
UNITED STATES |  |
Total Property and Equipment, Net | 5,057 | 8,024
Operating Lease Assets | 5,574 | 1,213
Other assets | 1,173 | 3,718
MEXICO |  |
Total Property and Equipment, Net | 681 | 961
Operating Lease Assets | 3,117 | 3,425
Other assets |  |
CHINA |  |
Total Property and Equipment, Net | 688 | 596
Operating Lease Assets | 307 | 189
Other assets |  |

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