Intangible assets, net

12 Months Ended

Dec. 31, 2016

Intangible assets, net [Abstract]

Intangible assets, net

6. Intangible assets, net

At December 31, 2016 and 2015, intangible assets, primarily consisting of acquired patents and accumulated amortization were as follows (in thousands):

	December 31,
	2016(1)			2015
Intangible assets	$	25,703		$	52,563
Accumulated amortization		(15,497	)		(18,971	)
Intangible assets, net	$	10,206		$	33,592

(1) Reflects the effect of the Asterias Deconsolidation.

BioTime amortizes its intangible assets over an estimated period of 10 years on a straight-line basis. BioTime recognized $3.6 million, $5.3 million and $7.4 million in amortization expense of intangible assets during the years ended December 31, 2016, 2015 and 2014, respectively.

Amortization of intangible assets for periods subsequent to December 31, 2016 is as follows (in thousands):

Year Ended December 31,	Amortization Expense
2017	$	2,570
2018		2,570
2019		2,571
2020		1,794
2021		537
Thereafter		164
Total	$	10,206