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Note 4 - Credit Facilities and Other Debt - Summary of Credit and Other Debt Facilities (Details) $ in Thousands | Mar. 31, 2021 USD ($)
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Repayments of Principal, 2021 | $ 12,940
Repayments of Principal, 2022 | 300
Repayments of Principal, 2023 | 700
Repayments of Principal, 2024 |
Repayments of Principal, 2025 |
Repayments of Principal, 2026 |
National Australia Bank [Member] |
Interest Rate | 6.56%
Repayments of Principal, 2021 | $ 9
Repayments of Principal, 2022 |
Repayments of Principal, 2023 |
Repayments of Principal, 2024 |
Repayments of Principal, 2025 |
Repayments of Principal, 2026 |
Industrial Bank [Member] |
Interest Rate | 6.00%
Repayments of Principal, 2021 | $ 460
Repayments of Principal, 2022 |
Repayments of Principal, 2023 |
Repayments of Principal, 2024 |
Repayments of Principal, 2025 |
Repayments of Principal, 2026 |
CCB Bank [Member] |
Interest Rate | 6.00%
Repayments of Principal, 2021 | $ 153
Repayments of Principal, 2022 |
Repayments of Principal, 2023 |
Repayments of Principal, 2024 |
Repayments of Principal, 2025 |
Repayments of Principal, 2026 |
Ve Por Mas [Member] |
Interest Rate | 7.30%
Repayments of Principal, 2021 |
Repayments of Principal, 2022 |
Repayments of Principal, 2023 |
Repayments of Principal, 2024 |
Repayments of Principal, 2025 |
Repayments of Principal, 2026 |
Bancomer Bank [Member] |
Interest Rate | 9.60%
Repayments of Principal, 2021 | $ 244
Repayments of Principal, 2022 |
Repayments of Principal, 2023 |
Repayments of Principal, 2024 |
Repayments of Principal, 2025 |
Repayments of Principal, 2026 |
North Mill, LLC [Member] |
Interest Rate | 6.75%
Repayments of Principal, 2021 | $ 11,774
Repayments of Principal, 2022 |
Repayments of Principal, 2023 |
Repayments of Principal, 2024 |
Repayments of Principal, 2025 |
Repayments of Principal, 2026 |
Fifth Third Bank [Member] |
Interest Rate | 3.60%
Repayments of Principal, 2021 |
Repayments of Principal, 2022 |
Repayments of Principal, 2023 |
Repayments of Principal, 2024 |
Repayments of Principal, 2025 |
Repayments of Principal, 2026 |
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 |
Repayments of Principal, 2025 |
Repayments of Principal, 2026 |

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