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Note 13 - Restructuring Activities (Tables) | 12 Months Ended
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Dec. 31, 2022
Notes Tables |
Restructuring and Related Costs [Table Text Block] |
|  | 2022 |  |  | 2021 |
Total revenues |  | $ | 3 |  |  | $ | 22 |
Net loss |  |  | (209 | ) |  |  | (114 | )
|  | 2022 |  |  | 2021 |
Total assets |  | $ | 929 |  |  | $ | 1,235 |
Total liabilities |  |  | 79 |  |  |  | 92 |
Total net assets |  | $ | 850 |  |  | $ | 1,143 |

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