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Note 8 - Related Party Transactions (Tables) | 6 Months Ended
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Jun. 30, 2024
Notes Tables |
Schedule of Related Party Transactions [Table Text Block] |
Due to affiliates consists of the following (in thousands): |  |  | June 30, |  |  |  | December 31, |
|  | 2024 |  |  | 2023 |
Loans from local investors:(1) |  |  |  |  |  |  |  |
Mexico |  |  | 623 |  |  |  | 623 |
China |  |  | - |  |  |  | 2,316 |
Resource Plus |  |  | - |  |  |  | 266 |
Total due to affiliates |  | $ | 623 |  |  | $ | 3,205 |

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- Definition Tabular disclosure of related party transactions. Examples of related party transactions include, but are not limited to, transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners and (d) affiliates. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration