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Property and Equipment
3 Months Ended
Mar. 31, 2014
Property, Plant and Equipment [Abstract]  
Property and equipment
6.
Property and Equipment
 
Property and equipment at March 31, 2014 and December 31, 2013 consisted of the following (in thousands):
 
 
 
March 31,
2014
 
December 31,
2013
 
Buildings
 
$
500
 
$
500
 
Furniture and fixtures
 
 
88
 
 
88
 
Leasehold improvements
 
 
72
 
 
72
 
Computer equipment
 
 
64
 
 
62
 
Research equipment
 
 
667
 
 
667
 
Machinery and equipment
 
 
158
 
 
158
 
 
 
 
1,549
 
 
1,547
 
Less: Accumulated depreciation
 
 
(538)
 
 
(503)
 
 
 
$
1,011
 
$
1,044