CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss attributable to BioTime, Inc.	$ (7,719,263)	$ (4,973,342)
Adjustments to reconcile net loss attributable to BioTime, Inc. to net cash used in operating activities:
Depreciation expense	113,356	88,692
Amortization of intangible assets	642,573	535,737
Amortization of deferred license and royalty revenues	(42,996)	(38,691)
Amortization of deferred consulting fees	16,280	194,062
Amortization of deferred license fees	27,375	27,500
Amortization of deferred rent	(2,223)	362
Stock-based compensation	570,875	316,058
Options issued as independent director compensation	121,071	157,376
Loss on write off of equipment	1,524	0
Reduction in receivables from the reversal of revenues	0	204,934
Net loss allocable to noncontrolling interest	(689,282)	(1,260,995)
Changes in operating assets and liabilities:
Accounts receivable, net	(82,916)	3,484
Grant receivable	371,886	0
Inventory	2,981	(3,692)
Prepaid expenses and other current assets	(243,798)	116,290
Accounts payable and accrued liabilities	(101,319)	(1,074,946)
Other long term liabilities	(7,806)	(9,763)
Net cash used in operating activities	(7,021,682)	(5,716,934)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of equipment	(496,128)	(116,603)
Security deposit paid	(54,423)	(526)
Cash used in investing activities	(550,551)	(117,129)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from issuance of common shares	11,699,340	0
Financing fees paid upon issuance of common shares	(319,625)	0
Proceeds from sale of treasury shares	1,602,921	0
Proceeds from sale of common shares of subsidiary	130,502	0
Net cash provided by financing activities	13,113,138	0
Effect of exchange rate changes on cash and cash equivalents	5,463	110,072
NET CHANGE IN CASH AND CASH EQUIVALENTS	5,546,368	(5,723,991)
Cash and cash equivalents at beginning of period	4,349,967	22,211,897
Cash and cash equivalents at end of period	9,896,335	16,487,906
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Cash paid during the period for interest	0	112
SUPPLEMENTAL SCHEDULE OF NON-CASH FINANCING AND INVESTING ACTIVITIES:
Common shares issued for consulting services	77,280	0
Common shares issued for rent	$ 242,720	$ 0