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Note 5 - Credit Facilities and Other Debt - Summary of Credit and Other Debt Facilities (Details) $ in Thousands | Mar. 31, 2022 USD ($)
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Repayments of Principal, 2021 | $ 15,831
Repayments of Principal, 2022 | 700
Repayments of Principal, 2023 | 0
Repayments of Principal, 2024 | 0
Repayments of Principal, 2025 | 0
Repayments of Principal, 2026 | $ 0
National Australia Bank [Member] |
Interest Rate | 6.56%
Repayments of Principal, 2021 | $ 124
Repayments of Principal, 2022 | 0
Repayments of Principal, 2023 | 0
Repayments of Principal, 2024 | 0
Repayments of Principal, 2025 | 0
Repayments of Principal, 2026 | $ 0
Industrial Bank and Commercial Bank of China [Member] |
Interest Rate | 4.15%
Repayments of Principal, 2021 | $ 315
Repayments of Principal, 2022 | 0
Repayments of Principal, 2023 | 0
Repayments of Principal, 2024 | 0
Repayments of Principal, 2025 | 0
Repayments of Principal, 2026 | $ 0
People's Bank of China [Member] |
Interest Rate | 3.65%
Repayments of Principal, 2021 | $ 158
Repayments of Principal, 2022 | 0
Repayments of Principal, 2023 | 0
Repayments of Principal, 2024 | 0
Repayments of Principal, 2025 | 0
Repayments of Principal, 2026 | $ 0
Industrial Bank [Member] |
Interest Rate | 6.00%
Repayments of Principal, 2021 | $ 473
Repayments of Principal, 2022 | 0
Repayments of Principal, 2023 | 0
Repayments of Principal, 2024 | 0
Repayments of Principal, 2025 | 0
Repayments of Principal, 2026 | $ 0
Investec Bank Ltd. [Member] |
Interest Rate | 7.75%
Repayments of Principal, 2021 | $ 2,002
Repayments of Principal, 2022 | 0
Repayments of Principal, 2023 | 0
Repayments of Principal, 2024 | 0
Repayments of Principal, 2025 | 0
Repayments of Principal, 2026 | $ 0
North Mill, LLC [Member] |
Interest Rate | 5.25%
Repayments of Principal, 2021 | $ 12,459
Repayments of Principal, 2022 | 0
Repayments of Principal, 2023 | 0
Repayments of Principal, 2024 | 0
Repayments of Principal, 2025 | 0
Repayments of Principal, 2026 | $ 0
Resource Plus Acquisition Note [Member] |
Interest Rate | 1.85%
Repayments of Principal, 2021 | $ 300
Repayments of Principal, 2022 | 700
Repayments of Principal, 2023 | 0
Repayments of Principal, 2024 | 0
Repayments of Principal, 2025 | 0
Repayments of Principal, 2026 | $ 0

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