7. Acquired Intangible Assets, net

Acquired intangible assets, net, as of October 31, 2014 and April 30, 2014 for continuing operations are as follows (in thousands):


	October 31,							April 30,
	2014							2014
	Gross Fair		Accumulated			Net Book		Gross Fair		Accumulated			Net Book
	Value		Amortization			Value		Value		Amortization			Value
Customer relationships	$	11,835	$	(2,303	)	$	9,532	$	11,835	$	(1,684	)	$	10,151
Developed technology		3,265		(354	)		2,911		3,265		(28	)		3,237

Total	$	15,100	$	(2,657	)	$	12,443	$	15,100	$	(1,712	)	$	13,388

Acquired intangible assets, net, as of April 30, 2014 for discontinued operations are as follows (in thousands):


	April 30, 2014
	Gross Fair		Accumulated						Net Book
	Value		Amortization			Impairment			Value
Customer relationships	$	39,966	$	(7,463	)	$	(2,354	)	$	30,149
Developed technology		5,400		(3,390	)		(146	)		1,864
Domain name (indefinite useful life)		800		—			—			800

Total	$	46,166	$	(10,853	)	$	(2,500	)	$	32,813

The sale of the PowerReviews business was completed on July 2, 2014; as such, there were no acquired intangible assets, net, for discontinued operations as of October 31, 2014.

The amortization of customer relationships is recorded as amortization expense and the amortization for developed technology is amortized to cost of revenue.

The following table presents our estimate of future amortization expense for definite-lived intangible assets (in thousands):


Fiscal period:	Amount
Remaining six months of Fiscal year 2015	$	945
Fiscal year 2016		1,890
Fiscal year 2017		1,890
Fiscal year 2018		1,890
Fiscal year 2019		1,856
Thereafter		3,972

Total	$	12,443