Note 12 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2012

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

	December 31,
	2010			2011			2012
Current:
Federal	$	1,913		$	422		$	6,719
State		285			352			2,547
Foreign		724			1,508			3,949
		2,922			2,282			13,215
Deferred:
Federal		(4,120	)		(5,189	)		(13,285	)
State		(616	)		(916	)		(2,857	)
Foreign		(670	)		(259	)		(5,059	)
Total		(5,406	)		(6,364	)		(21,201	)
Benefit for income taxes	$	(2,484	)	$	(4,082	)	$	(7,987	)

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

	December 31,
	2011						2012
	Current			Noncurrent			Current			Noncurrent
Deferred tax assets:
Allowance for doubtful accounts	$	2,578		$	—		$	2,415		$	—
Loss on interest rate swap		—			131			40			—
Net operating loss carryforwards		1,224			—			—			144
Shared-based compensation		—			3,565			—			8,112
Tax credits		—			2,407			—			—
Foreign currency translation		—			960			—			60
Other deferred tax assets		329			1,115			440			1,303
Total deferred tax assets		4,131			8,178			2,895			9,619
Deferred tax liabilities:
Basis difference of intangible assets		—			(4,308	)		—			(1,606	)
Basis difference of property and equipment		—			(1,168	)		—			(1,364	)
Cash to accrual adjustments		(2,154	)		(4,758	)		(2,363	)		(2,467	)
Other deferred tax liabilities		(337	)		(103	)		(516	)		(9	)
Total deferred tax liabilities		(2,491	)		(10,337	)		(2,879	)		(5,446	)
Net deferred tax assets (liabilities)	$	1,640		$	(2,159	)	$	16		$	4,173

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

	December 31,
	2010		2011		2012
Expected tax benefit	$	(2,897)	$	(4,221)	$	(8,024)
Increase (decrease) in income taxes resulting from:
State income taxes, net of federal benefit		(297)		(274)		(770)
Non-deductible items		636		668		274
Tax rate international		(14)		(533)		551
Other		88		278		(18)
Income tax benefit	$	(2,484)	$	(4,082)	$	(7,987)

Summary of Income Tax Contingencies [Table Text Block]

Balance at January 1, 2011	$	176
Increase to prior year tax positions		132
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, 2011		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