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Note 4 - Credit Facilities and Other Debt - Summary of Credit and Other Debt Facilities (Details) $ in Thousands	Jun. 30, 2019 USD ($)
Repayments of Principal, 2019	$ 13,182
Repayments of Principal, 2020	334
Repayments of Principal, 2021	300
Repayments of Principal, 2022	300
Repayments of Principal, 2023	$ 700
Branco Bradesco [Member]
Interest Rate	16.56%
Repayments of Principal, 2019	$ 437
Repayments of Principal, 2020
Repayments of Principal, 2021
Repayments of Principal, 2022
Repayments of Principal, 2023
Branco Santander [Member]
Interest Rate
Repayments of Principal, 2019	$ 76
Repayments of Principal, 2020
Repayments of Principal, 2021
Repayments of Principal, 2022
Repayments of Principal, 2023
Branco Santander [Member] | Minimum [Member]
Interest Rate	4.45%
Branco Santander [Member] | Maximum [Member]
Interest Rate	10.99%
North Mill, LLC [Member]
Interest Rate	6.75%
Repayments of Principal, 2019	$ 12,155
Repayments of Principal, 2020
Repayments of Principal, 2021
Repayments of Principal, 2022
Repayments of Principal, 2023
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
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
National Australia Bank [Member]
Interest Rate	6.56%
Repayments of Principal, 2019	$ 181
Repayments of Principal, 2020
Repayments of Principal, 2021
Repayments of Principal, 2022
Repayments of Principal, 2023
Bancomer Bank and Shareholder Loan [Member]
Interest Rate	12.50%
Repayments of Principal, 2019
Repayments of Principal, 2020
Repayments of Principal, 2021
Repayments of Principal, 2022
Repayments of Principal, 2023

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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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