Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2015

Significant Accounting Policies [Abstract]

Summary of Cash, Cash Equivalents and Investments

The following is a summary of cash, cash equivalents and investments at June 30, 2015 and December 31, 2014 (in thousands):

As of June 30, 2015	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Cash	$	11,648	$	—	$	—		$	11,648
Money market funds		15,933		—		—			15,933
Certificates of deposits		4,080		4		—			4,084
Commercial paper		3,998		—		—			3,998
Corporate notes and bonds		31,627		1		(39	)		31,589
U.S. government agency securities		4,497		5		—			4,502
	$	71,783	$	10	$	(39	)	$	71,754
Classified as:
Cash and cash equivalents	$	27,581	$	—	$	—		$	27,581
Short-term investments		44,202		10		(39	)		44,173
	$	71,783	$	10	$	(39	)	$	71,754

As of December 31, 2014	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Cash	$	9,572	$	—	$	—		$	9,572
Money market funds		9,859		—		—			9,859
Certificates of deposits		3,600		—		(5	)		3,595
Commercial paper		2,996		—		—			2,996
Corporate notes and bonds		45,819		—		(48	)		45,771
U.S. government agency securities		2,000		—		—			2,000
	$	73,846	$	—	$	(53	)	$	73,793
Classified as:
Cash and cash equivalents	$	23,354	$	—	$	—		$	23,354
Short-term investments		50,492		—		(53	)		50,439
	$	73,846	$	—	$	(53	)	$	73,793

Summary of Estimated Fair Value of Available-for-sale Securities Classified by Stated Maturity Date

The following table summarizes the estimated fair value of our available-for-sale securities classified by the stated maturity date of the security (in thousands):

	June 30,		December 31,
	2015		2014
Due within one year	$	28,509	$	41,449
Due within two years		15,664		8,990
	$	44,173	$	50,439

Financial Assets (Cash Equivalents and Investments) Measured at Fair Value on Recurring Basis

In accordance with ASC 820, the following table represents our fair value hierarchy for our financial assets (cash equivalents and investments) measured at fair value on a recurring basis as of June 30, 2015 and December 31, 2014 (in thousands):

As of June 30, 2015	Level 1		Level 2		Level 3		Total
Money market funds		15,933		—		—		15,933
Certificates of deposits		—		4,084		—		4,084
Commercial paper		—		3,998		—		3,998
Corporate notes and bonds		—		31,589		—		31,589
U.S. government agency securities		—		4,502		—		4,502
Total	$	15,933	$	44,173	$	—	$	60,106

As of December 31, 2014	Level 1		Level 2		Level 3		Total
Money market funds	$	9,859	$	—	$	—	$	9,859
Certificates of deposits		—		3,595		—		3,595
Commercial paper		—		2,996		—		2,996
Corporate notes and bonds		—		45,771		—		45,771
U.S. government agency securities		—		2,000		—		2,000
Total	$	9,859	$	54,362	$	—	$	64,221

Components of Accumulated Other Comprehensive Loss

The components of accumulated other comprehensive loss, which relate entirely to accumulated foreign currency translation losses associated with our foreign subsidiaries and unrealized losses on investments, consisted of the following (in thousands):

	Foreign Currency Translation Losses			Unrealized Losses on Investments			Total
Balance as of December 31, 2014	$	(1,975	)	$	(53	)	$	(2,028	)
Current-period other comprehensive income (loss)		(38	)		24			(14	)
Balance as of June 30, 2015	$	(2,013	)	$	(29	)	$	(2,042	)

Fair Value of Stock-based Awards Valuation Assumptions

The fair value of our stock-based awards was estimated using the following weighted average assumptions for the three and six months ended June 30, 2015 and 2014:

	Three Months Ended June 30,						Six Months Ended June 30,
	2015			2014			2015			2014
Stock Option Plan:
Risk-free interest rate		1.10	%		1.61	%		1.23	%		1.61	%
Expected term		3.75 years			5.28 years			3.74 years			5.28 years
Volatility		53.17	%		57.30	%		55.55	%		57.30	%
Expected dividend		0	%		0	%		0	%		0	%
Weighted average fair value (per share)	$	0.69		$	1.20		$	0.76		$	1.20

	Three Months Ended June 30,						Six Months Ended June 30,
	2015			2014			2015			2014
Employee Stock Purchase Plan:
Risk-free interest rate		0.09	%		0.05	%		0.09	%		0.05	%
Expected term		0.5 years			0.5 years			0.5 years			0.5 years
Volatility		39.25	%		61.07	%		39.25	%		61.07	%
Expected dividend		0	%		0	%		0	%		0	%
Weighted average fair value (per share)	$	0.38		$	0.72		$	0.38		$	0.72

Stock-based Compensation Expense

We recorded the following stock-based compensation expense for the three and six months ended June 30, 2015 and 2014 (in thousands):

	Three Months Ended June 30,					Six Months Ended June 30,
	2015		2014			2015		2014
Stock-based compensation expense related to grants of:
Stock options	$	253	$	224		$	505	$	560
Employee Stock Purchase Plan (“ESPP”)		17		41			38		70
Restricted Stock Units (“RSU”)		513		368			951		625
	$	783	$	633		$	1,494	$	1,255
Stock-based compensation expense recognized in:
Cost of services	$	63	$	45		$	125	$	132
Cost of software and other		2		4			6		7
Research and development		156		(4	)		286		163
Sales and marketing		100		94			166		171
General and administrative		462		494			911		782
	$	783	$	633		$	1,494	$	1,255

Computation of Basic and Diluted Earnings (Loss) per Share

The following table sets forth the computation of basic and diluted loss per share (in thousands, except per share amounts):

	Three Months Ended June 30,						Six Months Ended June 30,
	2015			2014			2015			2014
Net loss	$	(15,609	)	$	(655	)	$	(18,040	)	$	(1,137	)
Basic:
Weighted-average shares of common stock outstanding		54,441			53,798			54,380			53,557
Shares used in computing basic loss per share		54,441			53,798			54,380			53,557
Basic loss per share		(0.29	)		(0.01	)		(0.33	)		(0.02	)
Diluted:
Weighted-average shares of common stock outstanding		54,441			53,798			54,380			53,557
Add: Common equivalent shares outstanding		—			—			—			—
Shares used in computing diluted loss per share		54,441			53,798			54,380			53,557
Diluted loss per share	$	(0.29	)	$	(0.01	)	$	(0.33	)	$	(0.02	)

Potential Common Shares Outstanding Excluded from Computation of Diluted Loss per Share

The following potential common shares outstanding were excluded from the computation of diluted loss per share because including them would have been antidilutive (in thousands):

	As of June 30,
	2015		2014
Stock options		3,738		5,583
RSUs		1,848		1,474
Warrants		490		490
Total common share equivalents		6,076		7,547