Note 11 - Derivative Financial Instruments - Foreign Currency Exchange Contracts (Details) - Foreign Exchange Contract [Member] - USD ($) $ in Thousands	Sep. 30, 2019	Jun. 30, 2019
United States of America, Dollars
Derivative, Notional Amount	$ 46,278	$ 55,015
Notional Amount	46,278	55,015
Euro Member Countries, Euro
Derivative, Notional Amount	5,750	5,750
Notional Amount	5,750	5,750
Canada, Dollars
Derivative, Notional Amount	20,600	20,600
Notional Amount	$ 20,600	$ 20,600