Note 2 - Summary of Significant Accounting Policies (Details) - Fair Value of Financial Assets Measured on a Recurring Basis (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Fair Value, Inputs, Level 1 [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		$ 0
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	958	272
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	(159)
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	(4,393)	(6,587)
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	(4,393)	(6,587)
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	958	272
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	$ (159)