Stockholder's Equity (Tables)

12 Months Ended

Mar. 31, 2014

Stockholder's Equity

Schedule of assumptions used in estimating the fair value of stock options and ESPP purchase rights

	Years Ended March 31,
	2014				2013				2012
			ESPP				ESPP				ESPP
	Stock		purchase		Stock		purchase		Stock		purchase
	options		rights		options		rights		options		rights
Expected term	5.67 Years		0.5 Years		5.0 Years		0.5 Years		5.3 Years		0.5 Years
Expected volatility	77	%	76	%	71	%	73	%	75	%	72	%
Risk-free interest rate	1.56	%	0.08	%	0.74	%	0.13	%	1.25	%	0.13	%
Dividend yield	0	%	0	%	0	%	0	%	0	%	0	%

Schedule of total stock-based compensation expense

Total stock-based compensation expense included in the consolidated statements of comprehensive loss is as follows (in thousands):

	Twelve Months Ended March 31,
	2014		2013		2012
Cost of service revenue	$	39	$	3	$	6
Operating expense:
Selling and marketing	347		179		312
Research and development	285		250		368
General and administrative	410		487		395
Total stock-based compensation expense	1,081		919		1,081
Income tax benefit	—		—		—
Net stock-based compensation expense	$	1,081	$	919	$	1,081

Schedule of stock option activity

	Number of Shares		Weighted Average Exercise Price		Weighted Average Remaining Contractual Term in Years	Aggregate Intrinsic Value
Options outstanding as of March 31, 2011	2,534,226		$	3.32	5.9	$	3,374,573
Granted	1,349,500		$	3.64
Exercised	(43,640	)	$	1.99
Forfeited	(385,140	)	$	3.89
Expired	(328,769	)	$	4.21
Options outstanding as of March 31, 2012	3,126,177		$	3.31	6.4	$	91,005
Granted	942,000		$	2.07
Increase due to acquisition of Storycode	822,320		$	0.70
Exercised	(17,770	)	$	1.37
Forfeited	(157,586	)	$	2.58
Expired	(547,248	)	$	3.45
Options outstanding as of March 31, 2013	4,167,893		$	2.53	6.4	$	1,013,910
Granted	1,103,016		$	1.87
Exercised	(223,866	)	$	0.71
Forfeited	(684,378	)	$	2.85
Expired	(953,232	)	$	2.38
Options outstanding as of March 31, 2014	3,409,433		$	2.41	7.0	$	221,097
Vested and expected to vest at March 31, 2014	3,273,226		$	2.44	6.9	$	212,718
Exercisable at March 31, 2014	2,269,548		$	2.68	6.0	$	127,048