Number of shares owned.

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- Definition

Percentage of outstanding common stock.

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No definition available.

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- Definition

Description of basis for conversion of convertible common stock.

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- Definition

Amount of gain (loss) from deconsolidation of subsidiary and derecognition of group of assets constituting transfer of business or nonprofit activity, excluding conveyance of oil and gas mineral rights and transfer of good or service in contract with customer.

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- Definition

Amount of paid and unpaid paid-in-kind dividends (PIK) declared for classes of stock, for example, but not limited to, common and preferred.

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- Definition

The cash inflow from the issuance of common stock, preferred stock, treasury stock, stock options, and other types of equity.

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The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

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No definition available.

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- Definition

Percentage of subsidiary's or equity investee's stock owned by parent company after stock transaction.

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Percentage of subsidiary's or equity investee's stock owned by parent company before stock transaction.

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No definition available.

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- Definition

Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

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No definition available.

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- Definition

Number of new stock issued during the period.

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Deconsolidation and Distribution of AgeX (Details Narrative) - USD ($) $ / shares in Units, $ in Thousands			6 Months Ended	12 Months Ended
	Nov. 28, 2018	Aug. 30, 2018	Jun. 30, 2019	Dec. 31, 2018	Nov. 29, 2018
Gain on sale of shares
AgeX Therapeutics, Inc. [Member]
Gain on deconsolidation				$ 78,500
Gain on sale of shares				$ 39,200
Parent Company [Member]
Percentage of ownership before transaction		80.40%
Percentage of ownership after transaction		40.20%
Parent Company [Member] \| Common Stock [Member]
Number of shares owned	1,700,000
Percentage of outstanding common stock			4.60%
Parent Company [Member] \| Prorata Basis [Member]
Common stock, ratio description	one share of AgeX common stock for every 10 shares of BioTime common stock owned.
Parent Company [Member] \| Prorata Basis [Member] \| Common Stock [Member]
Common shares issued	12,700,000
Dividend-in-kind	$ 34,400
Price per share					$ 2.71
Juvenescence Limited [Member]
Number of share sold		14,400,000
Percentage of ownership before transaction		5.60%
Percentage of ownership after transaction		45.80%