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Capitalized Software Development Costs
3 Months Ended
Mar. 31, 2018
Research And Development [Abstract]  
Capitalized Software Development Costs

7. Capitalized Software Development Costs

Capitalized software development costs, exclusive of those recorded within property and equipment, consisted of the following:

 

 

 

March 31, 2018

 

 

December 31, 2017

 

 

 

(in thousands)

 

Gross capitalized software development costs

 

$

36,305

 

 

$

33,360

 

Accumulated amortization

 

 

(26,420

)

 

 

(24,600

)

Capitalized software development costs, net

 

$

9,885

 

 

$

8,760

 

 

Capitalized software development costs are amortized on a straight-line basis over their estimated useful life of two to three years.

 

The following table summarizes software development costs capitalized, stock-based compensation included in capitalized software development costs, and amortization of capitalized software development costs.

 

 

 

Three Months Ended March 31,

 

 

 

2018

 

 

2017

 

 

 

(in thousands)

 

Software development costs capitalized

 

$

2,945

 

 

$

1,902

 

Stock-based compensation included in capitalized software development costs

 

$

550

 

 

$

338

 

Amortization of capitalized software development costs

 

$

1,975

 

 

$

1,369