Stockholders' Equity (Tables)

6 Months Ended

Oct. 31, 2014

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

A summary of stock option activity for the six months ended October 31, 2014 is as follows:


	Stock Options			Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (years)		Aggregate Intrinsic Value
Outstanding, April 30, 2014		1,368		$	8.65
Granted		200		$	4.86
Exercised		(33	)	$	4.30
Forfeited		(145	)	$	13.06

Outstanding, October 31, 2014		1,390		$	7.75		5.4	$	248

Exercisable, October 31, 2014		849		$	9.73		3.2	$	139

Expected to vest, October 31, 2014		1,389		$	7.76		5.4	$	248

Schedule of Fair Value of Stock Options Weighted Average Assumptions

The fair value of stock options grants were estimated assuming no expected dividend yield using the following weighted average assumptions for the three and six months ended October 31, 2014 (no stock options granted in the three and six months ended October 31, 2013):


	Three Months Ended October 31, 2014			Six Months Ended October 31, 2014
Stock Options:
Expected life		7.13 years			7.00 years
Risk-free interest rate		2.15	%		2.15	%
Expected volatility		82.08	%		82.75	%

Summary of Restricted Stock, Restricted Stock Unit and Performance Stock Unit Activity

A summary of restricted stock, restricted stock unit and performance stock unit activity for the six months ended October 31, 2014 is as follows:


	Restricted Stock, Restricted Stock Units, and Performance Stock Units (1)			Weighted Average Grant Price		Weighted Average Remaining Contractual Term (years)		Aggregate Intrinsic Value
Outstanding, April 30, 2014		1,077		$	4.77
Granted		370		$	4.91
Class A Common Stock Vested		(363	)	$	4.89
Forfeited		(32	)	$	4.39

Outstanding, October 31, 2014		1,052		$	4.79		1.7	$	191

Expected to vest, October 31, 2014		927		$	4.40		1.6	$	173

(1)	Performance stock units are included at the 100% attainment level. Attainment of maximum annual returns on net assets could result in the issuance of an additional 251 shares of Class A common stock.

Accumulated Other Comprehensive Income

The change in the balance of accumulated other comprehensive income, which is included as a component of our stockholders’ deficit, for the six months ended October 31, 2014 is as follows:


	Marketable Securities

Beginning balance, April 30, 2014	$	39
Other comprehensive income, net of tax before reclassifications		6
Amounts reclassified from accumulated other comprehensive income		—

Net current-period other comprehensive income, net of tax		6

Ending balance, October 31, 2014	$	45

Summary of Reclassification Out of Accumulated Other Comprehensive Income

A summary of reclassifications out of accumulated other comprehensive income for the three and six months ended October 31, 2014 and 2013 is as follows:


	Three Months Ended October 31,
	2014		2013
Details about Accumulated Other Comprehensive Income Components	Amount Reclassified Out of Accumulated Other Comprehensive Income					Affected Line Item in the Consolidated Statements of Operations

Loss on derivative instruments:
Commodity hedges	$	—	$	(181	)	(Income) loss from equity method investments

		—		(181	)	(Income) loss from continuing operations before income taxes and discontinued operations
		—		—		Provision for income taxes

	$	—	$	(181	)	(Income) loss from continuing operations


	Six Months Ended October 31,
	2014		2013
Details about Accumulated Other Comprehensive Income Components	Amount Reclassified Out of Accumulated Other Comprehensive Income					Affected Line Item in the Consolidated Statements of Operations

Loss on derivative instruments:
Commodity hedges	$	—	$	(345	)	(Income) loss from equity method investments

		—		(345	)	(Income) loss from continuing operations before income taxes and discontinued operations
		—		—		Provision for income taxes

	$	—	$	(345	)	(Income) loss from continuing operations