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Net Income per Share (Tables)

12 Months Ended

Dec. 31, 2012

Computation of Basic and Diluted Net Income per Share Attributable to Ordinary Shareholders

The following table sets forth the computation of basic and diluted net income per share attributable to ordinary shareholders:

		Years Ended December 31,
		2010				2011				2012
Net income attributable to ordinary shareholders		$	11,422,021			$	23,969,950			$	22,826,454
Less: Amounts allocated to Series A convertible redeemable preferred shares for participating rights to dividends			(2,661,886	)			—				—
Net income attributable to ordinary shareholders—basic and diluted		$	8,760,135			$	23,969,950			$	22,826,454
Weighted average number of ordinary shares outstanding—basic			16,665,918				27,894,953				27,751,335
Plus: share options			447,139				607,791				249,756
Plus: non-vested restricted shares			1,917,055				18,528				72,640
Weighted average number of ordinary shares outstanding—diluted			19,030,112				28,521,272				28,073,731
Basic net income per share		$	0.53			$	0.86			$	0.82
Diluted net income per share		$	0.46			$	0.84			$	0.81

Antidilutive Securities Excluded from Computation of Earning Per Share

Diluted net income per share does not include the following instruments as their inclusion would be antidilutive:

		Years Ended December 31,
		2010				2011				2012
Share options			253,100				626,319				570,432
Series A convertible redeemable preferred shares			5,900,000				—				—
			6,153,100				626,319				570,432

X

- Definition

Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 260

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 128

-Paragraph 40

-Subparagraph c

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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X

- Definition

Tabular disclosure of an entity's basic and diluted earnings per share calculations.

+ References

No definition available.

+ Details

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