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Contra expense included in research and development expense.

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Contra research and development expense.

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Disbursed amount upon execution of amendment.

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Disbursement amount payable upon achievement of project goal.

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Disbursement payment upon achievement of required manufacturing practices and IND application.

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Final payment of disbursement amount.

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Grant receivable number of installments.

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Monthly base rent.

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Payment received first installment.

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Payments for matching funds for remaining budgeted costs.

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Carrying amount as of the balance sheet date of amounts due under the terms of governmental, corporate, or foundation grants.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-Name Accounting Standards Codification
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Description of terms and conditions of option to extend lessee's operating lease. Includes, but is not limited to, information about option recognized as part of right-of-use asset and lease liability.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

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

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Net cash outflow or inflow from monetary allowance granted by the landlord to a tenant to entice tenant to move into landlords building which will enable the tenant to prepare the leased premises for tenants occupancy.

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The amount of an asset, typically cash, provided to a counterparty to provide certain assurance of performance by the entity pursuant to the terms of a written or oral agreement, such as a lease.

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Commitments and Contingencies (Details Textual) $ in Millions				1 Months Ended			3 Months Ended				9 Months Ended		12 Months Ended
	Oct. 02, 2020 SGD ($) Installment	Aug. 01, 2019 USD ($)	Jul. 12, 2019 USD ($)	Sep. 30, 2021 USD ($)	Feb. 28, 2021 USD ($)	Oct. 31, 2017 USD ($)	Sep. 30, 2022 USD ($)	Mar. 31, 2022 USD ($)	Sep. 30, 2021 USD ($)	Dec. 31, 2020 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)	Oct. 02, 2020 USD ($)	Mar. 04, 2020 SGD ($)	Mar. 04, 2020 USD ($)	Feb. 29, 2020
Commitment And Contingencies [Line Items]
Operating lease costs							$ 1,400,000		$ 500,000		$ 3,300,000	$ 1,400,000
October 2017 Lease Amendment [Member]
Commitment And Contingencies [Line Items]
Operating lease extended additional term						84 months
Lessee, operating lease, term of contract						4 months
Tenant improvement allowance						$ 74,000
Lessee, operating leases, option to extend											The lease may be extended for one five-year period at the then current market rate with annual escalations;
Security deposit						$ 96,000
February 2020 Lease Agreement [Member]
Commitment And Contingencies [Line Items]
Operating lease extended additional term																	13 months
Lessee, operating leases, option to extend											the lease for one twelve-month period. In February 2021, the Company opted to extend the lease through March 2025 to coincide with the lease term of the Company’s headquarters
February 2021 Lease Agreement [Member]
Commitment And Contingencies [Line Items]
Lessee, operating leases, option to extend											the Company opted to extend the lease for an additional 12 months
Monthly base rent					$ 11,000
September 2021 Lease Agreement [Member]
Commitment And Contingencies [Line Items]
Operating lease extended additional term				10 years 8 months					10 years 8 months			10 years 8 months
Lessee, operating leases, option to extend											the Company will have the right to extend the term of the lease for an additional five-year period
Security deposit				$ 2,000,000.0					$ 2,000,000.0			$ 2,000,000.0
COVID-19 Vaccine Development \| Grant 1
Commitment And Contingencies [Line Items]
Contra research and development expense recognized												1,300,000
Contra expense remaining amount included in accrued expenses											$ 0		$ 0
COVID-19 Vaccine Development \| Grant 2
Commitment And Contingencies [Line Items]
Grant, number of installments \| Installment	2
Received first installment								$ 3,600,000		$ 3,600,000
Underlying Agreement [Member] \| Cystic Fibrosis Foundation [Member]
Commitment And Contingencies [Line Items]
Contra expense remaining amount included in accrued expenses											0.0		$ 2,800,000
Payments for matching funds for remaining budgeted costs		$ 5,000,000.0
Disbursed amount upon execution of amendment		4,000,000.0
Final payment of disbursement amount		3,000,000.0
Disbursement payment upon achievement of required manufacturing practices and IND application		2,300,000
Contra expense included in research and development expense							$ 500,000		$ 1,600,000		$ 2,700,000	$ 3,100,000
Underlying Agreement [Member] \| Cystic Fibrosis Foundation [Member] \| Disbursement Due January 2020 [Member]
Commitment And Contingencies [Line Items]
Disbursement amount payable upon achievement of project goal		2,000,000.0
Underlying Agreement [Member] \| Cystic Fibrosis Foundation [Member] \| Disbursement Due April 2020 [Member]
Commitment And Contingencies [Line Items]
Disbursement amount payable upon achievement of project goal		2,000,000.0
Underlying Agreement [Member] \| Cystic Fibrosis Foundation [Member] \| Disbursement Due July 2020 [Member]
Commitment And Contingencies [Line Items]
Disbursement amount payable upon achievement of project goal		2,000,000.0
Underlying Agreement [Member] \| Cystic Fibrosis Foundation [Member] \| Disbursement Due October 2020 [Member]
Commitment And Contingencies [Line Items]
Disbursement amount payable upon achievement of project goal		2,000,000.0
Underlying Agreement [Member] \| LUNAR-CF [Member] \| Cystic Fibrosis Foundation [Member]
Commitment And Contingencies [Line Items]
Payments for advance		$ 15,000,000.0	$ 3,200,000
Maximum [Member] \| September 2021 Lease Agreement [Member]
Commitment And Contingencies [Line Items]
Monthly base rent				360,000,000
Minimum [Member] \| September 2021 Lease Agreement [Member]
Commitment And Contingencies [Line Items]
Monthly base rent				$ 268,000,000
Singapore Economic Development Board [Member] \| Maximum [Member] \| COVID-19 Vaccine Development \| Grant 1
Commitment And Contingencies [Line Items]
Grants Receivable															$ 14.0	$ 10,000,000.0
Singapore Economic Development Board [Member] \| Maximum [Member] \| COVID-19 Vaccine Development \| Grant 2
Commitment And Contingencies [Line Items]
Grants Receivable	$ 9.3													$ 6,700,000