Note 2 - Summary of Significant Accounting Policies (Details) - Fair Value of Financial Assets Measured on a Recurring Basis - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Contingent Consideration [Member]
Financial instruments:
Financial instruments, fair value		$ (6,587)
Foreign Currency Derivative Asset [Member]
Financial instruments:
Financial instruments, fair value	$ 848	272
Foreign Currency Derivative Liability [Member]
Financial instruments:
Financial instruments, fair value	(1,215)
Fair Value, Inputs, Level 2 [Member] | Foreign Currency Derivative Asset [Member]
Financial instruments:
Financial instruments, fair value	848	272
Fair Value, Inputs, Level 2 [Member] | Foreign Currency Derivative Liability [Member]
Financial instruments:
Financial instruments, fair value	$ (1,215)
Fair Value, Inputs, Level 3 [Member] | Contingent Consideration [Member]
Financial instruments:
Financial instruments, fair value		$ (6,587)