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v3.23.1

Note 4 - Debt (Tables) | 12 Months Ended
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Dec. 31, 2022
Notes Tables |
Schedule of Debt [Table Text Block] |
|  | Interest Rate as of |  |  | Balance as of |  |  | Interest Rate as of |  |  |  | Balance as of |  |  |
|  | December 31, 2022 |  |  | December 31, 2022 |  |  | December 31, 2021 |  |  |  | December 31, 2021 |  |  |
United States - North Mill Capital |  |  | 5.25 | % |  | $ | 14,399 |  |  | 5.38 | % |  | $ | 9,680 |  |  |
United States - Resource Plus Seller Notes |  |  | 1.85 | % |  |  | 1,000 |  |  | 1.87 | % |  |  | 300 |  |  |
Australia - National Australia Bank |  |  | 10.60 | % |  |  | 156 |  |  | 6.76 | % |  |  | 118 |  |  |
South Africa - Investec Bank Ltd. |  |  | 10.50 | % |  |  | 1,700 |  |  | - | % |  |  | - |  |  |
China - People's Bank of China |  |  | - | % |  |  | - |  |  | 3.71 | % |  |  | 157 |  |  |
China - Industrial Bank |  |  | 4.00 | % |  |  | 435 |  |  | 6.17 | % |  |  | 472 |  |  |
China - Industrial and Commercial Bank of China |  |  | 4.15 | % |  |  | 290 |  |  | 4.23 | % |  |  | 315 |  |  |
Total |  |  |  |  |  | $ | 17,980 |  |  |  |  |  | $ | 11,042 |  |  |
|  | Interest Rate as of |  |  | Balance Outstanding |  |  | Interest Rate as of |  |  | Balance Outstanding |
|  | December 31, 2022 |  |  | December 31, 2022 |  |  | December 21, 2021 |  |  | December 31, 2021 |
South Africa - Investec Bank Ltd. |  |  | 10.5 | % |  | $ | 1,376 |  |  |  |  |  |  | $ | – |
United States - Resource Plus Seller Notes |  |  | – | % |  |  | – |  |  |  | 1.87 | % |  |  | 700 |
Total |  |  |  |  |  | $ | 1,376 |  |  |  |  |  |  | $ | 700 |
Credit And Debt Facilities Unused Availability [Table Text Block] |
|  | December 31, 2022 |  |  | December 31, 2021 |
Unused Availability: |  |  |  |  |  |  |  |
United States |  | $ | 4,601 |  |  | $ | 5,319 |
Mexico |  |  | 1 |  |  |  | 743 |
China |  |  | – |  |  |  | 157 |
Australia |  |  | 390 |  |  |  | 455 |
South Africa |  |  | 454 |  |  |  | – |
Total Unused Availability |  | $ | 5,446 |  |  | $ | 6,674 |

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