Acquired Intangible Assets, net (Tables)

6 Months Ended

Oct. 31, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Acquired Intangible Assets, Net

Acquired intangible assets, net, as of October 31, 2015 and April 30, 2015 for continuing operations are as follows (in thousands):

	October 31, 2015							April 30, 2015
	Gross Fair Value		Accumulated Amortization			Net Book Value		Gross Fair Value		Accumulated Amortization			Net Book Value
Customer relationships	$	11,835	$	(3,540	)	$	8,295	$	11,835	$	(2,921	)	$	8,914
Developed technology	3,265		(1,008		)	2,257		3,265		(681		)	2,584
Total	$	15,100	$	(4,548	)	$	10,552	$	15,100	$	(3,602	)	$	11,498

Estimate of Future Amortization Expense for Definite-Lived Intangible Assets

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 2016	$	944
Fiscal year 2017	1,890
Fiscal year 2018	1,890
Fiscal year 2019	1,856
Fiscal year 2020	1,130
Thereafter	2,842
Total	$	10,552