XML 58 R26.htm IDEA: XBRL DOCUMENT

Income Taxes (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of income before provision for income taxes

Income before provision for income taxes is as follows (in thousands):



	Year Ended December 31,
	2012		2011		2010
United States	$	40,024	$	15,362	$	25,215
Foreign	134		—		—
Total	$	40,158	$	15,362	$	25,215

Components of provision for income taxes

The components of the provision for income taxes are as follows (in thousands):



	December 31,
	2012			2011			2010
Federal:
Current	$	14,605		$	5,800		$	5,773
Deferred	(316		)	(3,095		)	2,247
	14,289			2,705			8,020
State:
Current	2,383			1,280			294
Deferred	455			(2,671		)	(226		)
	2,838			(1,391		)	68
Foreign:
Current	118			—			—
Deferred	(85		)	—			—
	33			—			—
Total income tax expense (benefit):
Current	17,106			7,080			6,067
Deferred	54			(5,766		)	2,021
	$	17,160		$	1,314		$	8,088

Reconciliation of actual income tax rate and statutory federal income tax rate

The Company’s actual tax expense differed from the statutory federal income tax rate, as follows:



	December 31,
	2012		2011		2010
Income tax expense at statutory rate	35.0	%	34.0	%	34.0	%
State income taxes	0.9		(7.7	)	1.7
Stock-based compensation	1.1		(13.5	)	(0.4	)
R&D tax credit	—		(7.2	)	(2.6	)
Acquisition costs	—		3.0		—
Valuation allowance	5.5		—		—
Other	0.2		—		(0.6	)
	42.7	%	8.6	%	32.1	%

Components of net deferred tax assets

The components of the net deferred tax assets as of December 31, 2012 and 2011 are as follows (in thousands):



	December 31,
	2012			2011
Deferred tax assets:
Net operating loss carryforwards	$	2,917		$	1,979
Reserves and other tax benefits	22,527			18,457
Tax credits	2,415			3,176
Other	13			15
Deferred tax assets	27,872			23,627
Valuation allowance	(2,203		)	—
Net deferred tax assets	25,669			23,627
Deferred tax liabilities:
Depreciation and amortization	(41,400		)	(33,192		)
Net deferred tax assets / (liabilities)	$	(15,731	)	$	(9,565	)

Reconciliation of beginning and ending amounts of unrecognized income tax benefits

A reconciliation of the beginning and ending amounts of unrecognized income tax benefits is as follows (in thousands):



	2012			2011		2010
Balance of unrecognized tax benefits at January 1	$	4,364		$	2,955	$	2,179
Additions for tax positions of prior years	137			—		132
Additions for tax positions related to current year	1,009			1,409		644
Reductions for tax positions of prior years	(65		)	—		—
Balance of unrecognized tax benefits at December 31	$	5,445		$	4,364	$	2,955

- Definition

Tabular disclosure of tax positions taken in the tax returns filed or to be filed for which it is more likely than not that the tax position will not be sustained upon examination by taxing authorities (i.e., uncertain tax positions) and other types of income tax contingencies, including: (1) the policy on classification of interest and penalties; (2) a tabular reconciliation of the total amounts of unrecognized tax benefits at the beginning and end of the period; the total amount(s) of: (3) unrecognized tax benefits that, if recognized, would affect the effective tax rate, and (4) interest and penalties recognized in each of the income statement and balance sheet; (5) for positions for which it is reasonably possible that the total amounts unrecognized will significantly change within 12 months of the reporting date the: (i) nature of the uncertainty, (ii) nature of the event that could occur that would cause the change, and (iii) an estimate of the range of the reasonably possible change or a statement that an estimate of the range cannot be made; and (6) a description of tax years that remain subject to examination by major tax jurisdictions.

+ References+ Details