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Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2013

Stock-Based Compensation [Abstract]

Fair value of option grants

		The Three Months  Ended March 31,
		2013				2012
Expected volatility			48.49	%			48.49	%
Expected dividends			0.00	%			0.00	%
Expected term (in years)			10.00				10.00
Risk-free rate			1.76	%			2.20	%
Vesting period (in years)			5				5

Summary of Company's stock option plan activity

		Number of Shares				Weighted Average Price Per Share				Weighted Average Remaining Contractual Life (Years)				Aggregate Intrinsic Value
Options outstanding at January 1, 2013			887			$	8.66
Granted			100				16.73
Exercised			98				5.46
Forfeited			—				—
Options outstanding at March 31, 2013			889			$	9.92				6.2			$	9,136
Options exercisable at March 31, 2013			561			$	6.64				4.4			$	7,604
Available for grant at March 31, 2013			988

Summary of vesting status of options outstanding

		2013
		Shares				Weighted Average Grant Date Fair Value
Non-vested options at January 1, 2013			285			$	15.00
Granted			100				16.73
Vested			57				15.00
Forfeited			—				—
Non-vested options at March 31, 2013			328			$	15.53

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- Definition

Tabular disclosure of the changes in outstanding nonvested shares.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(2)

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Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)

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Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (f)(2)

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