Note 13 - Debt - Short-term Debt (Details) $ in Thousands	Jun. 30, 2020 USD ($)
Outstanding Balance	$ 3,936
Bradesco Bank [Member] | Notes Payable to Banks [Member] | Four Point Zero Percent Short Term Loan [Member]
Interest Rate	5.18%
Outstanding Balance	$ 1,000
Santander Bank [Member] | Notes Payable to Banks [Member] | Four Point Zero Percent Short Term Loan [Member]
Interest Rate	8.12%
Outstanding Balance	$ 959
Brazil Bank Member | Notes Payable to Banks [Member] | Three Point One Zero Percent Short-term Loan [Member]
Interest Rate	3.10%
Outstanding Balance	$ 500
Brazil Bank Member | Notes Payable to Banks [Member] | Two Point Four Zero Percent Short-term Loan [Member]
Interest Rate	6.05%
Outstanding Balance	$ 1,000
Brazil Bank Member | Notes Payable to Banks [Member] | Three Point One One Percent Short Term Loan Member
Interest Rate	2.40%
Outstanding Balance	$ 300
Brazil Bank Member | Notes Payable to Banks [Member] | Six Point Zero Five Percent Short-term Loan [Member]
Interest Rate	3.11%
Outstanding Balance	$ 177