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Property and Equipment
6 Months Ended
Jun. 30, 2018
Property Plant And Equipment [Abstract]  
Property and Equipment

(4) Property and Equipment

 

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

 

 

Estimated Life

 

June 30, 2018

 

 

December 31,

2017

 

Computer equipment

3 years

 

$

65

 

 

$

74

 

Lab equipment

5 years

 

 

142

 

 

 

142

 

Furniture and fixtures

5 years

 

 

83

 

 

 

83

 

Computer software

3 years

 

 

82

 

 

 

85

 

Leasehold improvements

Lesser of useful life or life of the lease

 

 

59

 

 

 

59

 

 

 

 

 

431

 

 

 

443

 

Accumulated depreciation and amortization

 

 

 

(398

)

 

 

(401

)

Property and equipment, net

 

 

$

33

 

 

$

42

 

 

For the six months ended June 30, 2018 and 2017, depreciation and amortization expense was $11,000 and $14,000, respectively.