Note 2 - Summary of Significant Accounting Policies - Other Comprehensive Income Activity (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Foreign currency translation adjustments, net of tax(1)	[1]	$ (4,321)	$ (5,676)	$ (2,017)
Foreign currency realized (loss) gain reclassified into earnings, net of tax (2)	[2]	(3)	666	526
Gain on sale of interest rate hedge agreement, net of tax	[3]	2,175
Other comprehensive loss, net of tax (4)	[4]	$ (2,149)	$ (5,010)	$ (1,491)

[1] In the third quarter of 2015, the Company recorded an adjustment to its foreign currency translation totaling approximately $4 million, primarily related to goodwill, intangible assets, and fixed assets for certain acquired international subsidiaries.

[2] Represents the reclassification of foreign currency translation adjustment 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.

[3] On December 1, 2016, the Company sold the interest rate hedge agreement. The fair value of the interest rate hedge was recorded in other comprehensive (loss) income and reclassified to earnings when earnings are impacted by the cash flows of the hedged items, the interest payments on the Credit Facility or its replacement from January 31, 2018 to January 31, 2023.

[4] Net of tax of $2.2 million, $1.0 million and $0.4 million for the years ended December 31, 2016, 2015, and 2014, respectively.