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Property and Equipment
9 Months Ended
Sep. 30, 2015
Property Plant And Equipment [Abstract]  
Property and Equipment

3. Property and Equipment

Property and equipment consists of the following (in thousands):

 

 

 

September 30,

 

 

December 31,

 

 

 

2015

 

 

2014

 

Machinery and equipment

 

$

1,361

 

 

$

1,357

 

Computer equipment

 

 

315

 

 

 

294

 

Office equipment

 

 

203

 

 

 

203

 

Leasehold improvements

 

 

756

 

 

 

756

 

Construction in progress

 

 

2

 

 

 

 

 

 

 

2,637

 

 

 

2,610

 

Less: accumulated depreciation and amortization

 

 

(2,178

)

 

 

(1,896

)

Property and equipment, net

 

$

459

 

 

$

714

 

 

Depreciation expenses for the three and nine months ended September 30, 2015 were $93,000 and $287,000, respectively. During the same periods in the prior year, depreciation expenses were $101,000 and $302,000, respectively.