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v3.23.1

Note 4 - Supplemental Balance Sheet and Cash Flow Information (Tables) | 3 Months Ended
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Mar. 31, 2023
Notes Tables |
Schedule of Inventory, Current [Table Text Block] |
|  | March 31, 2023 |  |  | December 31, 2022 |
Raw materials |  | $ | 708 |  |  | $ | 679 |
Work in process and finished goods |  |  | 1,109 |  |  |  | 1,023 |
Inventory reserves |  |  | (94 | ) |  |  | (93 | )
Total |  | $ | 1,723 |  |  | $ | 1,609 |
Schedule of Cash and Cash Equivalents [Table Text Block] |
|  | March 31, 2023 |  |  | December 31, 2022 |  |  | March 31, 2022 |  |  | December 31, 2021 |
Cash and cash equivalents |  | $ | 401 |  |  | $ | 425 |  |  | $ | 259 |  |  | $ | 268 |
Restricted cash included in other current assets |  |  | 7 |  |  |  | 7 |  |  |  | 9 |  |  |  | 9 |
Restricted cash included in other noncurrent assets |  |  | 11 |  |  |  | 10 |  |  |  | 12 |  |  |  | 10 |
Total cash, cash equivalents and restricted cash |  | $ | 419 |  |  | $ | 442 |  |  | $ | 280 |  |  | $ | 287 |

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