Summary of Significant Accounting Policies (Details Narrative) - USD ($) $ in Thousands		1 Months Ended	12 Months Ended
	Apr. 08, 2018	Sep. 30, 2018	Dec. 31, 2020	Dec. 31, 2019
Cash and cash equivalents			$ 527	$ 2,352
Accounts receivable, allowance for doubtful accounts				321
Estimated useful life of long lived assets			10 years
Payment of interest and penalties
Uncertain tax position
Federal tax rates			21.00%	21.00%
Income tax likelihood, description			The provision further allows a deduction of 50% of GILTI, however this deduction is limited to the company's pre-GILTI U.S. income.
Revenues			$ 1,868	$ 1,728
Lease description			For lease classification determination, AgeX continues to use (i) 75% or greater to determine whether the lease term is a major part of the remaining economic life of the underlying asset and (ii) 90% or greater to determine whether the present value of the sum of lease payments is substantially all of the fair value of the underlying asset.
LifeMap Sciences [Member]
Deferred revenues			$ 339
National Institutes of Health [Member] | For Treating Osteoporosis [Member]
Allowable expenses of grant revenues			25	180
National Institutes of Health [Member] | For Treating Stroke [Member]
Allowable expenses of grant revenues			282
Subscription and Advertisement Revenues [Member]
Revenues			1,265	1,295
Subscription and Advertisement Revenues [Member] | LifeMap Sciences [Member]
Revenues			1,300	1,300
Grant Revenues [Member]
Revenues	$ 386		$ 307	$ 180	[1]
Grant Revenues [Member] | National Institutes of Health [Member]
Revenues		$ 225
Minimum [Member]
Estimated useful life			3 years
Maximum [Member]
Estimated useful life			10 years

[1] A reclassification of $37,000 was made from subscription and advertisement revenues to other revenues to conform to current period presentation.