Note 2 - Summary of Significant Accounting Policies (Details) - Fair Value of Financial Assets Measured on a Recurring Basis (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Fair Value, Inputs, Level 2 [Member] | Foreign Currency Derivative Asset [Member]
Note 2 - Summary of Significant Accounting Policies (Details) - Fair Value of Financial Assets Measured on a Recurring Basis [Line Items]
Financial instruments, fair value	$ 272	$ 61
Fair Value, Inputs, Level 2 [Member] | Foreign Currency Derivative Liability [Member]
Note 2 - Summary of Significant Accounting Policies (Details) - Fair Value of Financial Assets Measured on a Recurring Basis [Line Items]
Financial instruments, fair value		(683)
Fair Value, Inputs, Level 3 [Member] | Contingent Consideration [Member]
Note 2 - Summary of Significant Accounting Policies (Details) - Fair Value of Financial Assets Measured on a Recurring Basis [Line Items]
Financial instruments, fair value	(6,587)	(4,834)
Contingent Consideration [Member]
Note 2 - Summary of Significant Accounting Policies (Details) - Fair Value of Financial Assets Measured on a Recurring Basis [Line Items]
Financial instruments, fair value	(6,587)	(4,834)
Foreign Currency Derivative Asset [Member]
Note 2 - Summary of Significant Accounting Policies (Details) - Fair Value of Financial Assets Measured on a Recurring Basis [Line Items]
Financial instruments, fair value	272	61
Foreign Currency Derivative Liability [Member]
Note 2 - Summary of Significant Accounting Policies (Details) - Fair Value of Financial Assets Measured on a Recurring Basis [Line Items]
Financial instruments, fair value		$ (683)