Note 11 - Income Taxes (Details Textual) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019	Jun. 30, 2019
Additional Tax Rate On Foreign Income (Rate)			10.50%
Income Tax Expense (Benefit), Total	$ (326)	$ 957	$ 787	$ 2,380
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest, Total	$ 287	$ 3,045	$ 3,438	$ 6,978
Effective Income Tax Rate Reconciliation, Percent, Total	100.00%	33.00%	23.50%	34.00%
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent			21.00%		21.00%
Deferred Tax Assets, Valuation Allowance, Total	$ 0		$ 0
Foreign Tax Authority [Member]
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent			34.00%		34.00%
Foreign Tax Authority [Member] | Secretariat of the Federal Revenue Bureau of Brazil [Member]
Unrecognized Tax Benefits, Ending Balance	$ 100		$ 100