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Note 4 - Credit Facilities (Tables) | 12 Months Ended
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Dec. 31, 2021
Notes Tables |
Schedule of Debt [Table Text Block] |
| Effective Interest Rate as of |  |  |  |  |
Used Availability: | December 31, 2021 |  | 2022 | 2023
USA – North Mill Capital |  | 5.38 | % |  | 9,680 |  | –
USA – Resource Plus Sellers |  | 1.87 | % |  | 300 |  | 700
Australia – National Australia Bank |  | 6.76 | % |  | 118 |  | –
China – People’s Bank of China |  | 3.71 | % |  | 157 |  | –
China – Industrial Bank |  | 6.17 | % |  | 472 |  | –
China – Industrial and Commercial Bank of China |  | 4.23 | % |  | 315 |  | –
China – Construction Bank |  | 5.33 | % |  | – |  | –
Mexico – Ve Por Mas |  | 7.76 | % |  | – |  | –
Mexico – Bancomer Bank |  | 9.92 | % |  | – |  | –
Total |  |  |  | $ | 11,042 | $ | 700
Credit And Debt Facilities Unused Availability [Table Text Block] |
|  | December 31, 2021 |  |  | December 31, 2020 |
Unused Availability: |  |  |  |  |  |  |  |
United States, (excluding Resource Plus facility) |  | $ | 5,319 |  |  | $ | 10,238 |
Mexico |  |  | 743 |  |  |  | 262 |
China |  |  | 157 |  |  |  | – |
Australia |  |  | 455 |  |  |  | 463 |
Total Unused Availability |  | $ | 6,674 |  |  | $ | 10,963 |

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