Selected Quarterly Financial Information (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2018

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, 2018	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
Revenues, net	$	701	$	2,547	$	982	$	758
Operating expenses		12,779		11,585		11,304		10,813
Loss from operations		(12,187)		(9,144)		(10,357)		(10,107)
Net income (loss) attributable to BioTime		(63,548)		(4,215)		66,725		(44,952)
Basic net income (loss) per share	$	(0.50)	$	(0.03)	$	0.53	$	(0.36)
Year Ended December 31, 2017
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)