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Property, plant and equipment, net
 9 Months Ended
Sep. 30, 2017
Property, plant and equipment, net [Abstract]  
Property, plant and equipment, net
6.
Property, plant and equipment, net

At September 30, 2017 and December 31, 2016, property, plant and equipment was comprised of the following (in thousands):

  
September 30, 2017
(unaudited)(1)
  
December 31,
2016
 
Equipment, furniture and fixtures
 
$
4,085
  
$
4,718
 
Leasehold improvements
  
4,207
   
3,791
 
Accumulated depreciation and amortization
  
(2,869
)
  
(2,980
)
Property, plant and equipment, net
 
$
5,423
  
$
5,529
 

(1) Reflects the effect of the OncoCyte Deconsolidation.

Depreciation expense, including amortization of leasehold improvements, amounted to $670,000 and $996,000 for the nine months ended September 30, 2017 and 2016, respectively.