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Note 5 - Credit Facilities and Other Debt - Summary of Credit and Other Debt Facilities (Details) $ in Thousands	Jun. 30, 2022 USD ($)
Repayments of Principal, 2022	$ 18,481
Repayments of Principal, 2023	700
Repayments of Principal, 2024	0
Repayments of Principal, 2025	0
Repayments of Principal, 2026	0
Repayments of Principal, 2027	$ 0
National Australia Bank [Member]
Interest Rate	8.31%
Repayments of Principal, 2022	$ 92
Repayments of Principal, 2023	0
Repayments of Principal, 2024	0
Repayments of Principal, 2025	0
Repayments of Principal, 2026	0
Repayments of Principal, 2027	$ 0
Industrial Bank and Commercial Bank of China [Member]
Interest Rate	4.15%
Repayments of Principal, 2022	$ 299
Repayments of Principal, 2023	0
Repayments of Principal, 2024	0
Repayments of Principal, 2025	0
Repayments of Principal, 2026	0
Repayments of Principal, 2027	$ 0
Industrial Bank [Member]
Interest Rate	4.00%
Repayments of Principal, 2022	$ 448
Repayments of Principal, 2023	0
Repayments of Principal, 2024	0
Repayments of Principal, 2025	0
Repayments of Principal, 2026	0
Repayments of Principal, 2027	$ 0
Investec Bank Ltd. [Member]
Interest Rate	7.75%
Repayments of Principal, 2022	$ 1,817
Repayments of Principal, 2023	0
Repayments of Principal, 2024	0
Repayments of Principal, 2025	0
Repayments of Principal, 2026	0
Repayments of Principal, 2027	$ 0
North Mill, LLC [Member]
Interest Rate	5.25%
Repayments of Principal, 2022	$ 15,525
Repayments of Principal, 2023	0
Repayments of Principal, 2024	0
Repayments of Principal, 2025	0
Repayments of Principal, 2026	0
Repayments of Principal, 2027	$ 0
Resource Plus Acquisition Note [Member]
Interest Rate	1.85%
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
Repayments of Principal, 2027	$ 0

X

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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