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Property and Equipment, Net
 12 Months Ended
Jan. 31, 2016
Property Plant And Equipment [Abstract]  
Property and Equipment, Net

4. Property and Equipment, net

Depreciation expense was approximately $1.6 million, $1.3 million and $1.1 million for the years ended January 31, 2016, 2015 and 2014, respectively. Property and equipment at January 31, 2016 and 2015 consisted of the following:

 

 

 

As of January 31,

 

 

 

2016

 

 

2015

 

 

 

(in thousands)

 

Computer equipment and software

 

$

6,421

 

 

$

5,310

 

Machinery and equipment

 

 

2,706

 

 

 

2,234

 

Furniture and fixtures

 

 

492

 

 

 

456

 

Leasehold improvements

 

 

1,429

 

 

 

1,215

 

Construction in progress

 

 

253

 

 

 

64

 

 

 

 

11,301

 

 

 

9,279

 

Less: accumulated depreciation and amortization

 

 

(7,853

)

 

 

(6,204

)

Total property and equipment, net

 

$

3,448

 

 

$

3,075