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Note 10 - Related Party Transactions - Transactions Between the Company and Affiliates (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Services provided by affiliates |  | $ 7,873 | $ 8,201
Due to affiliates |  | 3,775 | 4,666
Loans Due from Affiliates [Member] | Local Investors in China [Member] |  |  |
Due from affiliates |  | 613 |
Loans Due to Affiliates [Member] | Local Investors in China [Member] |  |  |
Due to affiliates | [1] | 1,746 | 2,271
Loans Due to Affiliates [Member] | Local Investors in Mexico [Member] |  |  |
Due to affiliates | [1] | 623 | 623
Loans Due to Affiliates [Member] | Local Investors in Australia [Member] |  |  |
Due to affiliates | [1] | 586 | 467
Loans Due to Affiliates [Member] | Local Investors In South Africa [Member] |  |  |
Due to affiliates | [1] | 415 | 635
Loans Due to Affiliates [Member] | Local Investors Related to Resource Plus [Member] |  |  |
Due to affiliates | [1] | 266 | 531
Loans Due to Affiliates [Member] | Local Investors in Brazil [Member] |  |  |
Due to affiliates | [1] | 139 | 139
NSRS [Member] |  |  |
Services provided by affiliates |  | 4,805 | 5,586
Office lease expenses (Mr. Burdekin) [Member] |  |  |
Services provided by affiliates |  | 1,187 | 724
Vehicle Rental MCPT [Member] |  |  |
Services provided by affiliates |  | 1,143 | 1,175
Office And Vehicle Rental MPT [Member] |  |  |
Services provided by affiliates |  | 271 | 281
Consulting and administrative fees (SPARFACTS) [Member] |  |  |
Services provided by affiliates |  | 210 | 42
Legal Services (KMSA) [Member] |  |  |
Services provided by affiliates |  | 93 | 123
Office And Vehicle Rental MHT [Member] |  |  |
Services provided by affiliates |  | 56 | 64
Warehouse Rental (JFMD) [Member] |  |  |
Services provided by affiliates |  | 50 | 52
Consulting and Administrative Services (CON) [Member] |  |  |
Services provided by affiliates |  | 34 | 130
Office Lease Expenses (RJ Holdings) [Member] |  |  |
Services provided by affiliates |  | $ 24 | $ 24
[1] | Represent loans from the local investors into the Company's subsidiaries (representing their proportionate share of working capital loans). The loans have no payment terms and are due on demand and as such have been classified as current liabilities in the Company's consolidated financial statements.

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