Consolidated Statements of Changes in Redeemable Convertible Preferred Stock and Stockholders' Equity (Deficit) (USD $) In Thousands	Total USD ($)	PowerReviews USD ($)	Longboard Media, Inc USD ($)	Redeemable Convertible Preferred Stock USD ($)	Common Stock USD ($)	Common Stock PowerReviews USD ($)	Common Stock Longboard Media, Inc	Treasury Stock	Additional Paid-in Capital USD ($)	Additional Paid-in Capital PowerReviews USD ($)	Additional Paid-in Capital Longboard Media, Inc USD ($)	Accumulated Other Comprehensive Income (Loss) USD ($)	Accumulated Deficit USD ($)
Beginning balance at Apr. 30, 2011	$ (29,250)			$ 23,633	$ 2				$ 11,524			$ 52	$ (40,828)
Beginning balance, Shares at Apr. 30, 2011				27,897	18,767			(250)
Accretion of preferred stock to redemption value	(38)			38					(38)
Conversion of preferred stock, Shares				(27,897)	27,897
Conversion of preferred stock, Value	23,671			(23,671)	3				23,668
Issuance of common stock, net of issuance costs (in shares)					10,423
Issuance of common stock, net of issuance costs	112,779				1				112,778
Excess tax benefit related to stock-based expense	78								78
Stock-based expense	7,710								7,710
Issuance of restricted stock awards					16
Exercise of stock options (in shares)					1,677
Exercise of stock options	3,049								3,049
Change in foreign currency translation adjustment	(22)											(22)
Change in unrealized gain (loss) on investments	(50)											(50)
Net loss applicable to common stockholders (excluding accretion)	(24,329)												(24,329)
Ending balance at Apr. 30, 2012	93,598				6				158,769			(20)	(65,157)
Ending balance, Shares at Apr. 30, 2012					58,780			(250)
Issuance of stock for acquisition (in shares)						6,381	460
Issuance of stock for acquisition	125,497	119,695	5,802			1				119,694	5,802
Issuance of common stock, net of issuance costs (in shares)					3,625
Issuance of common stock, net of issuance costs	51,943								51,943
Excess tax benefit related to stock-based expense	510								510
Stock-based expense	22,453								22,453
Issuance of restricted stock awards					50
Exercise of stock options (in shares)	4,597				4,629
Exercise of stock options	11,226								11,226
Change in foreign currency translation adjustment	(96)											(96)
Change in unrealized gain (loss) on investments	(30)											(30)
Net loss applicable to common stockholders (excluding accretion)	(63,752)												(63,752)
Ending balance at Apr. 30, 2013	241,349				7				370,397			(146)	(128,909)
Ending balance, Shares at Apr. 30, 2013					73,925			(250)
Excess tax benefit related to stock-based expense	216								216
Stock-based expense	14,468								14,468
Issuance of restricted stock awards					76
Exercise of stock options (in shares)	3,360				3,563
Exercise of stock options	10,855				1				10,854
Shares issued under employee stock plans (in shares)					324
Shares issued under employee stock plans	2,266								2,266
Change in foreign currency translation adjustment	386											386
Change in unrealized gain (loss) on investments	88											88
Net loss applicable to common stockholders (excluding accretion)	(63,166)												(63,166)
Ending balance at Apr. 30, 2014	$ 206,462				$ 8				$ 398,201			$ 328	$ (192,075)
Ending balance, Shares at Apr. 30, 2014					77,888			(250)