The following table includes net income (loss) applicable to common stockholders used to compute basic net income (loss) per share for the periods ended (in thousands, except per share amount):


	Nine months ended September 30,
	2012						2013
	Class A			Class B			Class A		Class B
Basic net income (loss) per share:
Numerator:
Net income (loss) from continuing operations	$	(292	)	$	(475	)	$	87	$	273
Dividends paid to participating securities		—			(262	)		—		—

Net income (loss) from continuing operations applicable to common stockholders	$	(292	)	$	(737	)	$	87	$	273
Discontinued operations, net of tax		(27	)		(68	)		207		645

Net income (loss) applicable to common stockholders	$	(319	)	$	(805	)	$	294	$	918

Denominator:
Weighted average number of shares outstanding used to calculate basic net income (loss) per share		9,576			24,303			9,168		26,280

Basic net income (loss) per share:
Net income (loss) from continuing operations applicable to common stockholders	$	(0.03	)	$	(0.03	)	$	0.01	$	0.01
Discontinued operations, net of tax		(0.00	)		(0.00	)		0.02		0.02

Basic net income (loss) per share applicable to common stockholders	$	(0.03	)	$	(0.03	)	$	0.03	$	0.03


	Three months ended September 30,
	2012						2013
	Class A			Class B			Class A		Class B
Numerator:
Net income (loss) from continuing operations	$	(172	)	$	(318	)	$	133	$	465
Dividends paid to participating securities		—			(123	)		—		—

Net income (loss) from continuing operations applicable to common stockholders	$	(172	)	$	(441	)	$	133	$	465
Discontinued operations, net of tax		(15	)		(38	)		196		687

Net income (loss) applicable to common stockholders	$	(187	)	$	(479	)	$	329	$	1,152

Denominator:
Weighted average number of shares outstanding used to calculate basic net income (loss) per share		9,570			24,536			8,377		27,308


Basic net income (loss) per share:
Net income (loss) from continuing operations applicable to common stockholders	$	(0.02	)	$	(0.02	)	$	0.02	$	0.02
Discontinued operations, net of tax		(0.00	)		(0.00	)		0.02		0.02

Basic net income (loss) per share applicable to common stockholders	$	(0.02	)	$	(0.02	)	$	0.04	$	0.04

The following table calculates net income (loss) to diluted net income (loss) applicable to common stockholders used to compute diluted net income (loss) per share for the periods ended (in thousands, except per share amounts):


	Nine months ended September 30,
	2012						2013
	Class A			Class B			Class A		Class B
Diluted net income (loss) per share:
Numerator:
Net income (loss) from continuing operations	$	(292	)	$	(475	)	$	87	$	273
Dividends paid to participating securities		—			(262	)		—		—
Reallocation of net loss for Class A shares as a result of conversion of Class A to Class B shares		—			(292	)		—		87

Net income (loss) from continuing operations applicable to common stockholders	$	(292	)	$	(1,029	)	$	87	$	360

Discontinued operations, net of tax		(27	)		(68	)		204		648
Reallocation of discontinued operations for Class A shares as a result of conversion of Class A to Class B shares		—			(27	)		—		204

Diluted discontinued operations, net of tax	$	(27	)	$	(95	)	$	204	$	852

Net income (loss) applicable to common stockholders	$	(319	)	$	(1,124	)	$	291	$	1,212

Denominator:
Weighted average number of shares outstanding used to calculate basic net income (loss) per share		9,576			24,303			9,168		26,280
Weighted average stock options and warrants and common shares subject to repurchase or cancellation		—			—			—		923
Conversion of Class A to Class B common shares outstanding		—			9,576			—		9,168

Weighted average number of shares outstanding used to calculate diluted net income (loss) per share		9,576			33,879			9,168		36,371

Diluted net income (loss) per share:
Net income (loss) from continuing operations applicable to common stockholders	$	(0.03	)	$	(0.03	)	$	0.01	$	0.01
Discontinued operations, net of tax		(0.00	)		(0.00	)		0.02		0.02

Net income (loss) per share applicable to common stockholders	$	(0.03	)	$	(0.03	)	$	0.03	$	0.03


	Three months ended September 30,
	2012						2013
	Class A			Class B			Class A		Class B
Numerator:
Net income (loss) from continuing operations	$	(172	)	$	(318	)	$	129	$	469
Dividends paid to participating securities		—			(123	)		—		—
Reallocation of net income (loss) for Class A shares as a result of conversion of Class A to Class B shares		—			(172	)		—		129

Net income (loss) from continuing operations applicable to common stockholders	$	(172	)	$	(613	)	$	129	$	598

Diluted discontinued operations, net of tax		(15	)		(38	)		191		692
Reallocation of diluted discontinued operations for Class A shares as a result of conversion of Class A to Class B shares		—			(15	)		—		191

Diluted discontinued operations, net of tax	$	(15	)	$	(53	)	$	191	$	883

Net income (loss) applicable to common stockholders	$	(187	)	$	(666	)	$	320	$	1,481

Denominator:
Weighted average number of shares outstanding used to calculate basic net income (loss) per share		9,570			24,536			8,377		27,308
Weighted average stock options and warrants and common shares subject to repurchase or cancellation		—			—			—		1,592
Conversion of Class A to Class B common shares outstanding		—			9,570			—		8,377

Weighted average number of shares outstanding used to calculate diluted net income (loss) per share		9,570			34,106			8,377		37,277

Diluted net income (loss) per share:
Net income (loss) from continuing operations applicable to common stockholders	$	(0.02	)	$	(0.02	)	$	0.02	$	0.02
Discontinued operations, net of tax		(0.00	)		(0.00	)		0.02		0.02

Diluted net income (loss) per share applicable to common stockholders	$	(0.02	)	$	(0.02	)	$	0.04	$	0.04