Stock Based Compensation

9 Months Ended

Oct. 31, 2013

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

11. Stock Based Compensation

The fair value of common stock options for employees and non-employees is estimated on the date of grant using the Black-Scholes option-pricing model with the following assumptions used:


	Nine Months Ended October 31,
	2013			2012
Estimated dividend yield		0	%		0	%
Expected stock price volatility		50.6	%		52.8	%
Weighted-average risk-free interest rate		2.2	%		1.2	%
Expected life of options (in years)		6.25			6.25

The weighted average grant date fair value per share for stock options granted in the three and nine months ended October 31, 2013 was $7.16 and $6.78, respectively.

Total stock-based compensation expense related to stock options issued by the Company is as follows:


	Three Months Ended October 31,				Nine Months Ended October 31,
	2013		2012		2013		2012
Cost of revenues	$	35	$	28	$	99	$	82
Sales and marketing		67		49		169		143
Research and development		110		75		264		232
General and administrative		138		83		314		253

Total	$	350	$	235	$	846	$	710

The total unrecognized compensation cost related to outstanding stock options is $2,711 at October 31, 2013. This amount is expected to be recognized over a weighted-average period of 2.87 years.

- Definition

The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details.

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