Note 4 - Derivative Financial Instruments - Fair Value of Derivative Instruments (Details) - Foreign Exchange Forward [Member] $ in Thousands	Jun. 30, 2015 USD ($)
Other Current Liabilities [Member]
Gross amounts of recognized liabilities	$ 61
Net Amount	61
Other Noncurrent Liabilities [Member]
Gross amounts of recognized liabilities	51
Net Amount	51
Gross amounts of recognized liabilities	112
Net Amount	$ 112