Net Income Per Share Attributable to Common Stockholders

12 Months Ended

Dec. 31, 2013

Earnings Per Share [Abstract]

Net Income Per Share Attributable to Common Stockholders

NOTE 12. Net Income Per Share Attributable to Common Stockholders

The computations for basic and diluted net income per share attributable to common stockholders are as follows:

	Year Ended December 31,
	2013			2012			2011
	(in thousands, except per share data)
Numerator:
Net income	$	1,624		$	2,280		$	1,954
Net income attributable to participating securities	(2		)	(1,204		)	(1,518		)
Net income attributable to common stockholders - basic	1,622			1,076			436
Undistributed earnings reallocated to participating securities	—			1,201			1,516
Net income attributable to common stockholders - diluted	$	1,622		$	2,277		$	1,952
Denominator:
Weighted-average shares used in computing net income per share attributable to common stockholders - basic	31,914			11,891			5,053
Effect of potentially dilutive securities:
Convertible preferred stock	—			13,270			17,590
Common stock options	4,059			3,187			1,537
Warrants	—			—			2
Contingently issuable shares related to an acquisition	—			4			12
Weighted-average shares used in computing net income per share attributable to common stockholders - diluted	35,973			28,352			24,194
Net income per share attributable to common stockholders
Basic	$	0.05		$	0.09		$	0.09
Diluted	$	0.05		$	0.08		$	0.08

Potentially dilutive securities not included in the calculation of diluted net income per share because doing so would be antidilutive are as follows:

	Year Ended December 31,
	2013	2012	2011
	(in thousands)
Common stock options	952	772	2,758