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Note 4 - Credit Facilities and Other Debt - Summary of Credit and Other Debt Facilities (Details) $ in Thousands | Jun. 30, 2021 USD ($)
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Repayments of Principal, 2021 | $ 11,386
Repayments of Principal, 2022 | 300
Repayments of Principal, 2023 | 700
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 | $ 45
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
China Construction Bank [Member] |
Interest Rate | 4.25%
Repayments of Principal, 2021 | $ 156
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 | $ 156
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 | $ 467
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
Bancomer Bank [Member] |
Interest Rate | 9.50%
Repayments of Principal, 2021 | $ 250
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 | $ 10,012
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 | 300
Repayments of Principal, 2023 | 700
Repayments of Principal, 2024 | 0
Repayments of Principal, 2025 | 0
Repayments of Principal, 2026 | $ 0

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