Stockholders' Equity (Tables)

12 Months Ended

Apr. 30, 2013

Summary of the Grant Activity for Stock Options, Restricted Stock Units, Performance Stock Units and Restricted Stock Awards

The following table summarizes the grant activity for stock options, restricted stock units, performance stock units and restricted stock awards for the fiscal years ended April 30, 2013, 2012 and 2011, respectively:


	Granted		Weighted Average Grant Date Fair Value		Unissued at April 30, 2013
Fiscal year 2011 grants
Stock options		280	$	2.85		250
Restricted stock units		499	$	3.57		83
Performance stock units (1)		469	$	4.20		-
Restricted stock awards		62	$	4.81		-

Total		1,310				333
Fiscal year 2012 grants
Stock options		7	$	4.14		7
Restricted stock units		305	$	6.12		143
Performance stock units (1)		255	$	6.06		196
Restricted stock awards		51	$	5.83		-

Total		618				346
Fiscal year 2013 grants
Stock options		388	$	3.03		388
Restricted stock units		340	$	5.15		273
Performance stock units (1)		316	$	5.17		259
Restricted stock awards		79	$	4.45		-

Total		1,123				920

(1)	Performance stock units are included at the 100% attainment level.

Summary of Stock Options, Restricted Stock and Restricted / Performance Stock Units Outstanding

A summary of stock options, restricted stock and restricted / performance stock units outstanding as of April 30, 2013 and 2012, and changes during the fiscal year ended April 30, 2013, is presented below:


	Unvested Options		Vested Options		Total Options		Weighted Average Exercise Price		Aggregate Intrinsic Value of Vested Options		Weighted Average Remaining Term (Years)		Restricted Stock Units, Restricted Stock and Performance Stock Units Unvested (1)
Outstanding, April 30, 2012		174		1,487		1,661	$	10.55	$	592		3.6		1,380
Granted		388		-		388		4.10						735
Vested (options only) (2)		(125)		125		-		4.08						-
Forfeited		-		(607)		(607)		11.37						(533)
Exercised/Issued		-		-		-		-						(494)

Outstanding, April 30, 2013		437		1,005		1,442		8.48		240		5.3		1,088

Exercisable, April 30, 2011				1,998		1,998	$	11.80	$	52		3.1

Exercisable, April 30, 2012				1,487		1,487	$	11.33	$	222		3.1

Exercisable, April 30, 2013				1,005		1,005	$	10.41	$	94		3.7

Expected to vest at April 30, 2013		436												958

(1)	Performance stock units are included at the 100% attainment level. Attainment of performance metrics at maximum levels could result in the issuance of an additional 357 shares of Class A common stock.

(2)	The total fair value of the 125 stock options vested during the fiscal year and outstanding as of April 30, 2013 was approximately $378.

Schedule of Fair Value of Stock Options Weighted Average Assumptions

The fair values of our stock option grants and shares to be purchased under our Employee Stock Purchase Plan were estimated assuming no expected dividend yield using the following weighted average assumptions for the fiscal years ended April 30, 2013, 2012 and 2011:


	Fiscal Year Ended April 30,
	2013	2012	2011
Stock Options:
Expected life	6.82 years	5.5 years	6.5 years
Risk-free interest rate	1.14%	0.82%	1.80%
Expected volatility	84.40%	91.54%	85.59%

Schedule of Fair Values of Employee Stock Purchase Plan Weighted Average Assumptions

Stock Purchase Plan:
Expected life	0.5 years	0.5 years	0.5 years
Risk-free interest rate	0.12%	0.10%	0.20%
Expected volatility	46.95%	49.05%	46.53%