v3.5.0.2
Acquired Intangible Assets, net (Tables)
 3 Months Ended
Jul. 31, 2016
Goodwill and Intangible Assets Disclosure [Abstract]  
Acquired Intangible Assets, Net
Acquired intangible assets, net, as of July 31, 2016 and April 30, 2016 are as follows (in thousands):
 
July 31,
2016
 
April 30,
2016
 
Gross Fair
Value
 
Accumulated
Amortization
 
Net Book
Value
 
Gross Fair
Value
 
Accumulated
Amortization
 
Net Book
Value
Customer relationships
$
11,835

 
$
(4,467
)
 
$
7,368

 
$
11,835

 
$
(4,158
)
 
$
7,677

Developed technology
3,265

 
(1,498
)
 
1,767

 
3,265

 
(1,335
)
 
1,930

Total
$
15,100

 
$
(5,965
)
 
$
9,135

 
$
15,100

 
$
(5,493
)
 
$
9,607
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 nine months of Fiscal year 2017
$
1,418

Fiscal year 2018
1,890

Fiscal year 2019
1,856

Fiscal year 2020
1,130

Fiscal year 2021
1,130

Thereafter
1,711

Total
$
9,135