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Note 10 - Related Party Transactions - Transactions Between the Company and Affiliates (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Services provided by affiliates |  | $ 8,201 | $ 21,345
Due to affiliates |  | 4,666 | 4,645
Loans Due to Affiliates [Member] | Local Investors in Australia [Member] |  |  |
Due to affiliates | [1] | 467 | 226
Loans Due to Affiliates [Member] | Local Investors in Brazil [Member] |  |  |
Due to affiliates | [1] | 139 | 139
Loans Due to Affiliates [Member] | Local Investors in China [Member] |  |  |
Due to affiliates | [1] | 2,271 | 2,130
Loans Due to Affiliates [Member] | Local Investors in Mexico [Member] |  |  |
Due to affiliates | [1] | 623 | 1,001
Loans Due to Affiliates [Member] | Local Investors Related to Resource Plus [Member] |  |  |
Due to affiliates | [1] | 531 | 531
Loans Due to Affiliates [Member] | Local Investors In South Africa [Member] |  |  |
Due to affiliates | [1] | 635 | 618
Field Specialist Expenses SBS [Member] |  |  |
Services provided by affiliates | [2] |  | 15,404
Field Administration Expenses SAS [Member] |  |  |
Services provided by affiliates | [2] |  | 2,738
NSRS [Member] |  |  |
Services provided by affiliates |  | 5,586 | 986
Office lease expenses (Mr. Burdekin) [Member] |  |  |
Services provided by affiliates |  | 24 | 24
Office Lease Expenses (RJ Holdings) [Member] |  |  |
Services provided by affiliates |  | 724 | 247
Office And Vehicle Rental MPT [Member] |  |  |
Services provided by affiliates |  | 64 | 66
Vehicle Rental MCPT [Member] |  |  |
Services provided by affiliates |  | 1,175 | 1,248
Office And Vehicle Rental MHT [Member] |  |  |
Services provided by affiliates |  | 281 | 228
Consulting and Administrative Services (CON) [Member] |  |  |
Services provided by affiliates |  | 130 | 220
Warehouse Rental (JFMD) [Member] |  |  |
Services provided by affiliates |  | 52 | 49
Legal Services (KMSA) [Member] |  |  |
Services provided by affiliates |  | 123 | 135
Sparfacts [Member] |  |  |
Services provided by affiliates |  | $ 42 |
[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.
[2] | Includes substantially all overhead (in the case of SAS and SBS), or related overhead, plus any applicable markup. The services provided by SAS and SBS were terminated as of July 2018.

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