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Note 4 - Credit Facilities and Other Debt - Summary of Credit and Other Debt Facilities (Details) $ in Thousands	Sep. 30, 2019 USD ($)
Repayments of Principal, 2019	$ 11,352
Repayments of Principal, 2020	334
Repayments of Principal, 2021	300
Repayments of Principal, 2022	300
Repayments of Principal, 2023	700
Repayments of Principal, 2024
Branco Bradesco [Member]
Repayments of Principal, 2019	223
Repayments of Principal, 2020
Repayments of Principal, 2021
Repayments of Principal, 2022
Repayments of Principal, 2023
Repayments of Principal, 2024
Branco Bradesco [Member] | Minimum [Member]
Interest Rate	12.00%
Branco Bradesco [Member] | Maximum [Member]
Interest Rate	20.00%
Branco Santander [Member]
Interest Rate	16.52%
Repayments of Principal, 2019	$ 55
Repayments of Principal, 2020
Repayments of Principal, 2021
Repayments of Principal, 2022
Repayments of Principal, 2023
Repayments of Principal, 2024
North Mill, LLC [Member]
Interest Rate	6.75%
Repayments of Principal, 2019	$ 10,231
Repayments of Principal, 2020
Repayments of Principal, 2021
Repayments of Principal, 2022
Repayments of Principal, 2023
Repayments of Principal, 2024
Fifth Third Bank [Member]
Interest Rate	5.23%
Repayments of Principal, 2019
Repayments of Principal, 2020
Repayments of Principal, 2021
Repayments of Principal, 2022
Repayments of Principal, 2023
Repayments of Principal, 2024
Resource Plus Acquisition Note [Member]
Interest Rate	1.85%
Repayments of Principal, 2019	$ 333
Repayments of Principal, 2020	334
Repayments of Principal, 2021	300
Repayments of Principal, 2022	300
Repayments of Principal, 2023	700
Repayments of Principal, 2024
National Australia Bank [Member]
Interest Rate	6.56%
Repayments of Principal, 2019	$ 257
Repayments of Principal, 2020
Repayments of Principal, 2021
Repayments of Principal, 2022
Repayments of Principal, 2023
Repayments of Principal, 2024
Bancomer Bank and Shareholder Loan [Member]
Interest Rate	12.50%
Repayments of Principal, 2019	$ 253
Repayments of Principal, 2020
Repayments of Principal, 2021
Repayments of Principal, 2022
Repayments of Principal, 2023
Repayments of Principal, 2024

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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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