Net Income Per Share (Tables)

6 Months Ended

Jun. 30, 2016

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

The following presents a reconciliation of the numerator and denominator used in the calculation of basic and diluted net income per share (in thousands, except share and per share data):

	Three Months Ended June 30,						Six Months Ended June 30,
	2016			2015			2016			2015
Numerator:
Net income, as reported	$	6,653		$	5,904		$	12,011		$	13,261
Less: net income attributable to participating securities		(206	)		(150	)		(343	)		(301	)
Net income available to common shareholders—basic	$	6,447		$	5,754		$	11,668		$	12,960
Denominator:
Basic:
Weighted-average shares of common stock outstanding		40,721,081			39,873,730			40,475,785			39,758,947
Less: weighted-average shares of unvested restricted common stock outstanding		(1,343,136	)		(1,047,545	)		(1,225,488	)		(931,279	)
Weighted-average number of common shares used in computing basic net income per common share		39,377,945			38,826,185			39,250,297			38,827,668
Net income per share applicable to common shareholders—basic	$	0.16		$	0.15		$	0.30		$	0.33

	Three Months Ended June 30,						Six Months Ended June 30,
	2016			2015			2016			2015
Numerator:
Net income available to common shareholders—basic	$	6,447		$	5,754		$	11,668		$	12,960
Add-back: undistributed earnings allocated to unvested shareholders		72			51			95			124
Less: undistributed earnings reallocated to unvested shareholders		(72	)		(50	)		(94	)		(122	)
Net income available to common shareholders—diluted	$	6,447		$	5,755		$	11,669		$	12,962

	Three Months Ended June 30,						Six Months Ended June 30,
	2016			2015			2016			2015
Denominator:
Diluted:
Weighted-average shares of common stock outstanding		40,721,081			39,873,730			40,475,785			39,758,947
Less: weighted-average shares of unvested restricted common stock outstanding		(1,343,136	)		(1,047,545	)		(1,225,488	)		(931,279	)
Weighted-average number of common shares issuable upon exercise of outstanding stock options, based on the treasury stock method		370,960			569,210			384,965			631,090
Weighted-average number of common shares used in computing diluted net income per common share		39,748,905			39,395,395			39,635,262			39,458,758
Net income per share applicable to common shareholders—diluted	$	0.16		$	0.15		$	0.29		$	0.33

Schedule of Anti-Dilutive Securities Excluded from Computation of Earnings Per Share

The following common share equivalents have been excluded from the computation of diluted weighted-average shares outstanding, as their effect would have been anti-dilutive:

	Three Months Ended June 30,				Six Months Ended June 30,
	2016		2015		2016		2015
Options		643,714		433,463		662,988		370,201
Unvested restricted stock		386,297		405,522		352,900		247,768
Unvested restricted stock units		15,377		14,825		14,085		11,341