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Property and Equipment, Net
 12 Months Ended
Jan. 31, 2017
Property Plant And Equipment [Abstract]  
Property and Equipment, Net

4. Property and Equipment, net

Depreciation expense was approximately $1.6 million, $1.6 million and $1.3 million for the years ended January 31, 2017, 2016 and 2015, respectively. Property and equipment at January 31, 2017 and 2016 consisted of the following:

 

 

 

As of January 31,

 

 

 

2017

 

 

2016

 

 

 

(in thousands)

 

Computer equipment and software

 

$

6,798

 

 

$

6,421

 

Machinery and equipment

 

 

3,405

 

 

 

2,706

 

Furniture and fixtures

 

 

797

 

 

 

492

 

Leasehold improvements

 

 

1,672

 

 

 

1,429

 

Construction in progress

 

 

755

 

 

 

253

 

 

 

 

13,427

 

 

 

11,301

 

Less: accumulated depreciation and amortization

 

 

(8,439

)

 

 

(7,853

)

Total property and equipment, net

 

$

4,988

 

 

$

3,448