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Intangible assets, net
3 Months Ended
Mar. 31, 2017
Intangible assets, net [Abstract]  
Intangible assets, net
7.
Intangible assets, net

At March 31, 2017 and December 31, 2016, intangible assets, primarily consisting of acquired patents, and accumulated amortization were as follows (in thousands):

  
March 31, 2017
(unaudited) (1)
  
December 31,
2016
 
Intangible assets
 
$
23,294
  
$
25,703
 
Accumulated amortization
  
(14,648
)
  
(15,497
)
Intangible assets, net
 
$
8,646
  
$
10,206
 

(1) Reflects the effect of the OncoCyte Deconsolidation.

BioTime recognized $602,000 and $1.3 million in amortization expense of intangible assets, included in research and development expenses, during the three months ended March 31, 2017 and 2016, respectively.