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Intangible Assets
6 Months Ended
Sep. 30, 2014
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible Assets
Intangible Assets and Software Development Costs

The following table summarizes our intangible assets and software development costs:
 
September 30, 2014
 
March 31, 2014
 
Gross
 
Net
 
Gross
 
Net
 
carrying
Accumulated
carrying
 
carrying
Accumulated
carrying
(In thousands)
amount
amortization
amount
 
amount
amortization
amount
Amortized intangible assets:
 
 
 
 
 
 
 
Customer relationships
$
10,775

$
(10,530
)
$
245

 
$
10,775

$
(10,080
)
$
695

Non-competition agreements
2,700

(2,604
)
96

 
2,700

(2,473
)
227

Developed technology
10,660

(10,216
)
444

 
10,660

(10,156
)
504

Patented technology
80

(80
)

 
80

(80
)

 
24,215

(23,430
)
785

 
24,215

(22,789
)
1,426

Unamortized intangible assets:
 
 
 
 
 
 
 
Trade names
10,100

 N/A

10,100

 
10,100

 N/A

10,100

Accumulated impairment
(900
)
 N/A

(900
)
 
(900
)
 N/A

(900
)
 
9,200

 N/A

9,200

 
9,200

 N/A

9,200

Total intangible assets
$
33,415

$
(23,430
)
$
9,985

 
$
33,415

$
(22,789
)
$
10,626

 
 
 
 
 
 
 
 
Software development costs
$
15,561

$
(820
)
$
14,741

 
$
14,587

$
(270
)
$
14,317

Project expenditures not yet in use
19,250


19,250

 
12,397


12,397

Accumulated impairment
(9,493
)
N/A

(9,493
)
 
(9,493
)
N/A

(9,493
)
Total software development costs
$
25,318

$
(820
)
$
24,498

 
$
17,491

$
(270
)
$
17,221



The following table summarizes our remaining estimated amortization expense relating to in service intangible assets and software development costs.
 
Estimated
 
Amortization
(In thousands)
Expense
Fiscal year ending March 31,
 
2015
$
1,003

2016
1,335

2017
1,335

2018
1,335

2019
959

2020
65

Total
$
6,032


Amortization expense relating to intangible assets was $0.3 million for the three months ended September 30, 2014, and 2013, and $0.6 million for the six months ended September 30, 2014 and 2013. Amortization expense relating to developed technology software intangible assets was $0.3 million for the three months ended September 30, 2014, and $0.6 million and $0.1 million for the six months ended September 30, 2014 and 2013, respectively. Amortization expense for acquired and internally developed intangibles that are related to products held for sale is included in Products cost of goods sold and amortization expense for acquired and internally developed intangibles that are related to internal use assets is included in operating expenses as amortization of intangibles.

Capitalized software development costs that are internally developed are carried on our balance sheet at net realizable value, net of accumulated amortization. We capitalized approximately $3.9 million and $2.9 million during the three months ended September 30, 2014 and 2013, respectively, and $7.8 million and $5.8 million during the six months ended September 30, 2014 and 2013, respectively.