Lineage Cell Therapeutics, Inc. - 10-K filing on 2022-03-10

Commitments and Contingencies (Details Narrative)															1 Months Ended												6 Months Ended	12 Months Ended
Commitments and Contingencies (Details Narrative)	Dec. 17, 2021 USD ($)	Nov. 30, 2021 USD ($) ft² m²	Nov. 30, 2021 ILS (₪) ft² m²	Nov. 01, 2021 USD ($)	Nov. 01, 2021 ILS (₪)	Sep. 11, 2020 USD ($) ft²	May 06, 2020 USD ($)	May 06, 2020 GBP (£)	Jan. 28, 2019 USD ($)	Jan. 28, 2019 ILS (₪)	Jan. 05, 2019 USD ($)	Apr. 02, 2018 USD ($)	Apr. 02, 2018 ILS (₪)	Jan. 28, 2018 ft² m²	Jan. 31, 2022 USD ($)	Apr. 30, 2021 GBP (£)	Feb. 28, 2021 USD ($)	Jan. 31, 2021 GBP (£)	Nov. 30, 2020 USD ($)	Sep. 30, 2020 GBP (£)	Feb. 29, 2020 USD ($)	Jan. 31, 2020 USD ($)	Aug. 31, 2019 USD ($)	May 31, 2019 ft²	Jan. 31, 2019 USD ($)	Dec. 31, 2015 ft²	Sep. 30, 2020 USD ($)	Dec. 31, 2021 USD ($) ft² m²	Dec. 31, 2019 USD ($)	Dec. 31, 2021 ILS (₪) ft² m²	Aug. 01, 2020 USD ($) ft²	Apr. 30, 2020 USD ($) ft²	Feb. 02, 2020 USD ($)	Jan. 24, 2019 USD ($)	Dec. 31, 2018 USD ($)
Loss Contingencies [Line Items]
Advance upfront payment	$ 50,000,000.0
Additional payment received for development	$ 620,000,000.0
Percentage of grants awarded expenditures																												50.00%
Percentage of upfront payment																												24.30%
Access fees payable																													$ 2,500,000
Minimum [Member]
Loss Contingencies [Line Items]
Minimum annual maintenance fees																												$ 30,000
Subsequent Event [Member]
Loss Contingencies [Line Items]
Advance upfront payment															$ 12,100,000
Second Amended and Restated License Agreement [Member]
Loss Contingencies [Line Items]
Description of sublicensing fees																												sublicensing fee of 21.5% of the upfront payment (subject to certain reductions) and any milestone payments, and up to 50% of all royalty payments (subject to a maximum payment of 5% of net sales of products)
ITI Collaboration Agreement [Member]
Loss Contingencies [Line Items]
Budgetary commitment amount																												$ 2,200,000
GBP [Member] \| License Agreement [Member]
Loss Contingencies [Line Items]
Agreed signature fee amount							$ 1,600,000	£ 1,250,000								£ 250,000		£ 500,000		£ 500,000
Clinical regulatory milestone \| £								8,000,000
Sales related milestones \| £								£ 22,500,000
Cell Cure [Member]
Loss Contingencies [Line Items]
Rentable area \| ft²		1,432	1,432											10,054
Lease area \| m²		133	133											934
Lease, renewal term		one five year and one approximate three-year extension options	one five year and one approximate three-year extension options											two five-year extension options
Base rent and construction allowance per month		$ 3,757		$ 3,951					$ 26,000
Cell Cure [Member] \| NIS [Member]
Loss Contingencies [Line Items]
Base rent and construction allowance per month \| ₪			₪ 11,880		₪ 12,494					₪ 93,827
Office space in New York City [Member]
Loss Contingencies [Line Items]
Rentable area \| ft²																												900		900
Base rent																												$ 5,050
Industrial Microbes, Inc [Member] \| Alameda Sublease [Member]
Loss Contingencies [Line Items]
Base rent																																$ 28,000
Base rent increase rate																																3.00%
Lease area \| ft²																																10,000
IIA Cap [Member]
Loss Contingencies [Line Items]
Commitment amount																												102,700,000
Roche [Member] \| Subsequent Event [Member]
Loss Contingencies [Line Items]
Advance upfront payment															50,000,000.0
Hadasit [Member] \| Subsequent Event [Member]
Loss Contingencies [Line Items]
Advance upfront payment															8,900,000
[custom:ReducedPaymentCommitmentAmount]															1,900,000
Budgetary commitment amount															$ 8,600,000
Other Commitments, Description															Lineage is required to pay Hadasit 21.5% of any portion of the commitment not incurred within five years after the execution of the Agreement
Orbit Biomedical Limited [Member] \| Research and Option Agreement [Member]
Loss Contingencies [Line Items]
Access fees payable											$ 2,500,000
Access fees																							$ 1,250,000		$ 1,250,000
Gyroscope Therapeutics Limited [Member] \| Second Amendment [Member]
Loss Contingencies [Line Items]
Agreed signature fee amount																						$ 500,000
Extension fees																			$ 300,000
Gyroscope Therapeutics Limited [Member] \| Third Amendment [Member]
Loss Contingencies [Line Items]
Agreed signature fee amount																	$ 500,000
Gyroscope Therapeutics Limited [Member] \| Upon Signing [Member] \| Second Amendment [Member]
Loss Contingencies [Line Items]
Extension fees																					$ 200,000
Future Years [Member]
Loss Contingencies [Line Items]
Minimum annual maintenance fees																												60,000
Carlsbad Lease [Member]
Loss Contingencies [Line Items]
Rentable area \| ft²																								8,841
Lease commencement date																								Aug. 01, 2019
Base rent																															$ 23,959
Base rent increase rate																															3.00%
Lease expiration date																								Aug. 01, 2022
Security deposit																															$ 17,850
Carlsbad Lease [Member] \| First Twenty-Four Months [Member]
Loss Contingencies [Line Items]
Rentable area \| ft²																															7,000
Merger Agreement [Member]
Loss Contingencies [Line Items]
Base rent						$ 14,592																											$ 72,676
Base rent increase rate						3.00%																											3.00%
Security deposit						$ 16,000																											$ 424,000
Number of buildings for lease																										two buildings
Security deposit reduction in value																																		$ 78,000
Termination fees						130,000
Reduction of contractual obligations						$ 780,000
Thousand Ten Atlantic Premises [Member]
Loss Contingencies [Line Items]
Rentable area \| ft²						2,432																				22,303
Lease commencement date						Oct. 01, 2020
Lease expiration date						Jan. 31, 2023
Thousand Twenty Atlantic Premises [Member]
Loss Contingencies [Line Items]
Rentable area \| ft²																										8,492
Industrial Microbes Sublease [Member]
Loss Contingencies [Line Items]
Security deposit						$ 56,000
Termination fees						$ 30,000
Rental income received																											$ 119,000
Proceeds from Construction in Progress
Loss Contingencies [Line Items]
Construction allowances of leasehold improvements												$ 1,100,000
Proceeds from Construction in Progress \| NIS [Member]
Loss Contingencies [Line Items]
Base rent \| ₪																														₪ 39,776
Construction allowances of leasehold improvements \| ₪													₪ 4,000,000
Proceeds from Construction in Progress \| December 31, 2018 Exchange Rate [Member]
Loss Contingencies [Line Items]
Base rent																												$ 12,200
Proceeds from Construction in Progress \| Cell Cure [Member]
Loss Contingencies [Line Items]
Rentable area \| ft²																												7,842		7,842
Lease expiration date		Dec. 31, 2025	Dec. 31, 2025											Dec. 31, 2025														Dec. 31, 2025
Lease area \| m²																												728.5		728.5
Lease, renewal term																												option to extend the lease for five years
January 2018 Lease [Member]
Loss Contingencies [Line Items]
Deposit																																			$ 420,000