Note 12 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2013

Income Tax Disclosure [Abstract]

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

	December 31,
	2011			2012			2013
Current:
Federal	$	422		$	6,719		$	5,145
State		352			2,547			1,340
Foreign		1,508			3,949			6,180
		2,282			13,215			12,665
Deferred:
Federal		(5,189	)		(13,285	)		(10,026	)
State		(916	)		(2,857	)		(2,156	)
Foreign		(259	)		(5,059	)		(5,839	)
Total		(6,364	)		(21,201	)		(18,021	)
Benefit for income taxes	$	(4,082	)	$	(7,987	)	$	(5,356	)

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

	December 31,
	2012						2013
	Current			Noncurrent			Current			Noncurrent
Deferred tax assets:
Allowance for doubtful accounts	$	2,415		$	—		$	2,784		$	—
Loss on interest rate swap		40			—			—			—
Basis difference of intangible assets		—			—			—			6,220
Net operating loss carryforwards		—			144			—			489
Shared-based compensation		—			8,112			—			10,930
Foreign currency translation		—			60			—			4,221
Other deferred tax assets		440			1,303			476			991
Total deferred tax assets		2,895			9,619			3,260			22,851
Deferred tax liabilities:
Basis difference of intangible assets		—			(1,606	)		—			—
Basis difference of property and equipment		—			(1,364	)		—			(1,194	)
Cash to accrual adjustments		(2,363	)		(2,467	)		(2,426	)		(166	)
Other deferred tax liabilities		(516	)		(9	)		(401	)		—
Total deferred tax liabilities		(2,879	)		(5,446	)		(2,827	)		(1,360	)
Net deferred tax assets	$	16		$	4,173		$	433		$	21,491

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

	December 31,
	2011			2012			2013
Expected tax benefit	$	(4,221	)	$	(8,024	)	$	(5,450	)
Increase (decrease) in income taxes resulting from:
State income taxes, net of federal benefit		(274	)		(770	)		(694	)
Non-deductible items		668			274			240
Tax rate international		(533	)		551			433
Other		278			(18	)		115
Income tax benefit	$	(4,082	)	$	(7,987	)	$	(5,356	)

Summary of Income Tax Contingencies [Table Text Block]

Balance at January 1, 2012	$	308
Increase to prior year tax positions		19
Increase to current year tax positions		—
Expiration of the statute of limitations for the assessment of taxes		—
Decrease related to settlements		—
Balance at December 31, 2012		327
Increase to prior year tax positions		28
Increase to current year tax positions		—
Expiration of the statute of limitations for the assessment of taxes		—
Decrease related to settlements		—
Balance at December 31, 2013	$	355