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Net operating losses expiration date.

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Taxable gain.

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No definition available.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible domestic operating loss carryforwards. Excludes state and local operating loss carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible research tax credit carryforwards.

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Percentage of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operations attributable to deduction. Includes, but is not limited to, dividend deduction, deduction for dividend paid to employee stock ownership plan (ESOP), Medicare prescription drug benefit subsidy deduction, and other deductions.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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The difference between the carrying value and the sale price of equity securities, not separately or otherwise categorized as trading or available-for-sale. This element includes investments in which the entity holds a small ownership stake (generally, less than 20% of the shares outstanding) and cannot exert significant influence.

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No definition available.

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A brief description of status of the tax examination, significant findings to date, and the entity's position with respect to the findings.

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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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The cash inflow associated with the sale of equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

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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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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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Income Taxes (Details Narrative) - USD ($)			12 Months Ended
Income Taxes (Details Narrative) - USD ($)	Aug. 30, 2018	Mar. 23, 2018	Dec. 31, 2020	Dec. 31, 2019
Net operating loss carryforwards for federal tax purposes			$ 49,200,000
Net operating loss carryforwards			2,700,000
Cash received from related party		$ 3,200,000
Gain sale of equity method investment		3,200,000		$ 354,000
Taxable gain		2,200,000
Close merger cash amount		$ 955,000
Proceeds from the sale of investment				354,000
Research and development tax credit carryforwards			$ 2,306,000	2,069,000
Domestic [Member]
Net operating losses expiration date, description			The federal tax credits expire between 2028 and 2040, while the state tax credits have no expiration date.
Research and development tax credit carryforwards			$ 1,300,000
State [Member]
Net operating losses expiration date, description			The federal tax credits expire between 2028 and 2040, while the state tax credits have no expiration date.
Research and development tax credit carryforwards			$ 1,000,000
GILTI [Member]
Income tax rate deduction			50.00%
Other Income Tax Matters [Member]
Income tax description			Internal Revenue Code Section 382 places a limitation ("Section 382 Limitation") on the amount of taxable income that can be offset by net operating loss ("NOL") carryforwards after a change in control (generally greater than 50% change in ownership within a three-year period) of a loss corporation.
California Purposes [Member]
Net operating loss carryforwards for federal tax purposes			$ 41,000,000
Net operating losses expiration date, description			Federal net operating losses generated on or prior to December 31, 2017, expire in varying amounts between 2028 and 2037, while federal net operating losses generated after December 31, 2017, carryforward indefinitely. The state net operating losses expire in varying amounts between 2028 and 2040.
Lineage [Member]
Percentage of ownership before transaction	80.40%
Percentage of ownership after transaction	40.20%
Juvenescence Limited [Member]
Sale of common stock	14,400,000
Ownership interest	5.60%
Percentage of ownership before transaction	5.60%
Percentage of ownership after transaction	45.80%
LifeMap Sciences [Member]
Net operating loss carryforwards for federal tax purposes			$ 8,900,000
Net operating loss carryforwards			$ 6,200,000
Ascendance [Member] \| Stockholders [Member]
Proceeds from the sale of investment				$ 354,000