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Income Taxes (Tables)

12 Months Ended

Dec. 31, 2012

Income Taxes [Abstract]

Schedule of Income tax expense

Income tax expense is as follows:

		Year ended December 31,
		2011				2012
Federal:
Current		$	1,395,568			$	3,136,830
Deferred			4,191,095				2,847,899
			5,586,663				5,984,729
State:
Current			—				358,533
Deferred			1,139,068				903,625
			1,139,068				1,262,158
		$	6,725,731			$	7,246,887

Schedule of Income tax expense , federal statutory rate

Income tax expense differs from the amounts that would result from applying the federal statutory rate of 34% to the Company’s income before taxes as follows:

		Year ended December 31,
		2011				2012
Expected tax expense		$	5,720,859			$	6,214,573
State income taxes, net of federal benefit			751,785				833,024
Change in valuation allowance			59,553				(10,367	)
Non-deductible items			193,534				209,657
		$	6,725,731			$	7,246,887

Schedule of components of deferred tax assets and liabilities

Temporary differences that give rise to the components of deferred tax assets and liabilities are as follows:

		December 31,
		2011				2012
Deferred tax assets:
Allowance for doubtful accounts		$	335,624			$	406,387
Other assets			547,327				817,880
Accrued expenses			485,506				519,447
Other long-term liabilities			426,203				381,380
Stock-based compensation			425,699				347,493
Net operating losses			638,858				382,852
Subtotal			2,859,217				2,855,439
Valuation allowance			(653,919	)			(643,552	)
Total			2,205,298				2,211,887
Deferred tax liabilities:
Prepaid expenses			(674,314	)			(506,933	)
Property and equipment			(1,561,300	)			(1,427,035	)
Intangibles			(45,126,386	)			(49,308,526	)
Total			(47,362,000	)			(51,242,494	)
Net deferred tax liabilities		$	(45,156,702	)		$	(49,030,607	)

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- Definition

Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 9

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319

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Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319

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- Definition

Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 12

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319

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