Deferred income tax expenses benefit.

No definition available.

Name:	LCTX_DeferredIncomeTaxExpensesBenefit
Namespace Prefix:	LCTX_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Tax Cuts and Jobs Act Measurement Period Adjustment Income Tax Expense Benefit.

+ References

No definition available.

+ Details

Name:	LCTX_TaxCutsAndJobsActMeasurementPeriodAdjustmentIncomeTaxExpenseBenefit
Namespace Prefix:	LCTX_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Tax Cuts and Jobs Act Measurement Period Adjustment Increase Decrease in Effective Tax Rate.

+ References

No definition available.

+ Details

Name:	LCTX_TaxCutsAndJobsActMeasurementPeriodAdjustmentIncreaseDecreaseInEffectiveTaxRate
Namespace Prefix:	LCTX_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The net gains or losses recognized for each transaction with the acquiree that was recognized separately from the acquisition of assets and assumptions of liabilities in the business combination.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (e)(3)
-URI https://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

+ Details

Name:	us-gaap_BusinessCombinationSeparatelyRecognizedTransactionsNetGainsAndLosses
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The cash outflow from advancing money to an affiliate (an entity that is related but not strictly controlled by the entity).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3213-108585

+ Details

Name:	us-gaap_PaymentsForAdvanceToAffiliate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	srt_ConsolidatedEntitiesAxis=LCTX_CellCureNeurosciencesLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Income Taxes (Details Narrative) - USD ($)		1 Months Ended	3 Months Ended		6 Months Ended		12 Months Ended
Income Taxes (Details Narrative) - USD ($)	Jun. 15, 2017	Jan. 31, 2022	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Payments for Advance to Affiliate	$ 50,000,000.0	$ 50,000,000.0
Provision for taxdeduction percentage					50.00%
Adjusted income tax expense (benefit)							$ 24,800,000
Deferred income tax (expenses) benefit			$ 0	$ 169,000	$ 0	$ 169,000
Cell Cure Neurosciences Ltd [Member]
Gain on transaction							$ 31,700,000