Selected Quarterly Financial Information (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2017

Quarterly Financial Information Disclosure [Abstract]

Schedule of Selected Quarterly Financial Information

The consolidated operating results in any quarter are not necessarily indicative of the consolidated results that may be expected for any future period.

Year Ended December 31, 2017	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
Revenues, net	$	333	$	376	$	1,636	$	945
Operating expenses		11,595		10,694		11,149		10,508
Loss from operations		(11,262)		(8,564)		(9,513)		(9,563)
Net income (loss) attributable to BioTime		49,288		(11,651)		14,321		(71,934)
Basic net income (loss) per share	$	0.46	$	(0.11)	$	0.12	$	(0.58)
Year Ended December 31, 2016
Revenues, net	$	1,848	$	1,171	$	1,441	$	1,103
Operating expenses		25,606		15,574		10,996		12,356
Loss from operations		(23,758)		(14,403)		(9,555)		(11,253)
Net income (loss) attributable to BioTime		(17,112)		24,549		31,199		(4,945)
Basic net income (loss) per share	$	(0.19)	$	0.26	$	0.30	$	(0.05)