Note 2 - Summary of Significant Accounting Policies - Other Comprehensive Income Activity (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Foreign currency translation adjustments		$ (165)	$ (3,900)	$ (3,108)	$ (5,155)
Realized losses reclassified into earnings	[1]				666
Other comprehensive (loss) income, net of tax	[2]	$ (165)	$ (3,900)	$ (3,108)	$ (4,489)

[1] Represents the reclassification of foreign currency translation adjustments from accumulated other comprehensive loss into earnings as a result of closing international offices. Amounts are included in the other expense line item in the Consolidated Statements of Comprehensive Income.

[2] Net of tax of $1.6 million and $0.8 million for the three months ended September 30, 2016 and 2015, respectively, and $3.0 million and $0.2 million for the nine months ended September 30, 2016 and 2015, respectively.