Aggregate Milestone Payments

No definition available.

Name:	spry_AggregateMilestonePayments
Namespace Prefix:	spry_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Commercial milestone payments.

+ References

No definition available.

+ Details

Name:	spry_CommercialMilestonePayments
Namespace Prefix:	spry_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Contingent sales-based milestones.

+ References

No definition available.

+ Details

Name:	spry_ContingentSalesBasedMilestones
Namespace Prefix:	spry_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Financing liability.

+ References

No definition available.

+ Details

Name:	spry_FinancingLiability
Namespace Prefix:	spry_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

increase to the financing liability.

+ References

No definition available.

+ Details

Name:	spry_IncreaseToTheFinancingLiability
Namespace Prefix:	spry_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Initial transaction Price.

+ References

No definition available.

+ Details

Name:	spry_InitialTransactionPrice
Namespace Prefix:	spry_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

License agreement expiration term.

+ References

No definition available.

+ Details

Name:	spry_LicenseAgreementExpirationTerm
Namespace Prefix:	spry_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Milestone payments.

+ References

No definition available.

+ Details

Name:	spry_MilestonePayments
Namespace Prefix:	spry_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Milestone payments earned.

+ References

No definition available.

+ Details

Name:	spry_MilestonePaymentsEarned
Namespace Prefix:	spry_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Number of pediatricians

+ References

No definition available.

+ Details

Name:	spry_NumberOfPediatricians
Namespace Prefix:	spry_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Performance based bonus payments percentage.

+ References

No definition available.

+ Details

Name:	spry_PerformanceBasedBonusPaymentsPercentage
Namespace Prefix:	spry_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Regulatory and Commercial sales milestones.

+ References

No definition available.

+ Details

Name:	spry_RegulatoryAndCommercialSalesMilestones
Namespace Prefix:	spry_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Regulatory milestone payment.

+ References

No definition available.

+ Details

Name:	spry_RegulatoryMilestonePayment
Namespace Prefix:	spry_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Remaining regulatory milestone.

+ References

No definition available.

+ Details

Name:	spry_RemainingRegulatoryMilestone
Namespace Prefix:	spry_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Royalty income not recognized.

+ References

No definition available.

+ Details

Name:	spry_RoyaltyIncomeNotRecognized
Namespace Prefix:	spry_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Sales-Based Milestones.

+ References

No definition available.

+ Details

Name:	spry_SalesBasedMilestones
Namespace Prefix:	spry_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Threshold percentage of value change in equity securities.

+ References

No definition available.

+ Details

Name:	spry_ThresholdPercentageOfValueChangeInEquitySecurities
Namespace Prefix:	spry_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Upfront Payment.

+ References

No definition available.

+ Details

Name:	spry_UpfrontPayment
Namespace Prefix:	spry_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Description of rights and obligations under the collaborative arrangements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 808
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479402/808-10-50-1

+ Details

Name:	us-gaap_CollaborativeArrangementRightsAndObligations
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 808
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479402/808-10-50-1

+ Details

Name:	us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479837/606-10-45-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 8
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-8

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479837/606-10-45-2

+ Details

Name:	us-gaap_ContractWithCustomerLiability
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current.

+ References

+ Details

Name:	us-gaap_ContractWithCustomerLiabilityCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as noncurrent.

+ References

+ Details

Name:	us-gaap_ContractWithCustomerLiabilityNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 8
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-8

+ Details

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

- Definition

Amount of allowance for credit loss for right to consideration in exchange for good or service transferred to customer when right to consideration is unconditional.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479837/606-10-45-4

+ Details

Name:	us-gaap_ContractWithCustomerReceivableAllowanceForCreditLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_FiniteLivedIntangibleAssetUsefulLife
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Definition

Period covered by the long-term purchase commitment, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_LongtermPurchaseCommitmentPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of expenses incurred but not yet paid classified as other, due after one year or the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(24))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

+ Details

Name:	us-gaap_OtherAccruedLiabilitiesNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 41
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-41

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 270
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482964/270-10-50-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 32
-Subparagraph (ee)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-32

Reference 4: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 32
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-32

Reference 5: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 32
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-32

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 924
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 11.L)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479941/924-10-S99-1

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-5

Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 30
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-30

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-42

Reference 10: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 22
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-22

Reference 11: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 40
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-40

Reference 12: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 22
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-22

Reference 13: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-4

+ Details

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

- Definition

Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (a)
-SubTopic 10
-Topic 606
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-13

+ Details

Name:	us-gaap_RevenueRemainingPerformanceObligation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of expense related to royalty payments under a contractual arrangement such as payment for mineral and drilling rights and use of technology or intellectual property.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(3))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2

+ Details

Name:	us-gaap_RoyaltyExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount the entity has committed to make for future royalty guarantees.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 928
-SubTopic 440
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477866/928-440-50-1

+ Details

Name:	us-gaap_RoyaltyGuaranteesCommitmentsAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(4))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2

+ Details

Name:	us-gaap_SellingGeneralAndAdministrativeExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_TypeOfArrangementAxis=spry_EuropeanEconomicAreaLicenseMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TypeOfArrangementAxis=spry_ROWLicenseMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TypeOfArrangementAxis=spry_DevelopmentAndRegulatoryServicesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=spry_AlfresaAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TypeOfArrangementAxis=spry_LicenseAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementGeographicalAxis=country_JP
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=spry_RecordatiAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TypeOfArrangementAxis=spry_TerminationAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_IncomeStatementLocationAxis=us-gaap_ResearchAndDevelopmentExpenseMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RegulatoryAgencyAxis=spry_EuropeanMedicinesAgencyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ProductOrServiceAxis=spry_FirstCommercialSaleOfRecordatiLicensedProductMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ProductOrServiceAxis=spry_AggregateSaleOfRecordatiLicensedProductMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=spry_PediatrixAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementGeographicalAxis=country_CN
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=spry_SeqirusAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=spry_ALKCollaborationAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FairValueByLiabilityClassAxis=spry_ALKFinancingLiabilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ProductOrServiceAxis=spry_FirstCommercialSaleOfNeffyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TypeOfArrangementAxis=spry_CommercialMilestoneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=spry_ALKCo-PromotionAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Collaboration, Out-Licensing and Related Agreements - Additional Information (Detail) $ in Thousands, € in Millions				1 Months Ended															3 Months Ended		6 Months Ended		12 Months Ended		25 Months Ended
	Nov. 09, 2024	Feb. 22, 2023 USD ($)	Feb. 22, 2023 EUR (€)	Jun. 30, 2025 USD ($)	Jun. 30, 2025 EUR (€)	May 31, 2025 Doctor	Nov. 30, 2024 USD ($)	Aug. 31, 2024 USD ($)	Jun. 30, 2024 USD ($)	Jun. 30, 2024 EUR (€)	May 31, 2024 USD ($)	Mar. 31, 2024 USD ($)	Mar. 31, 2021 USD ($)	Nov. 30, 2020 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2020 EUR (€)	Jul. 31, 2020 USD ($)	Mar. 31, 2020 USD ($)	Jun. 30, 2025 USD ($)	Jun. 30, 2024 USD ($)	Jun. 30, 2025 USD ($)	Jun. 30, 2024 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Mar. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Selling, general and administrative expenses related party amount																			$ 54,312	$ 8,944	$ 95,416	$ 16,902
Other accrued liabilities				$ 1,418															1,418		1,418					$ 0
Financing liability				71,959															71,959		71,959					69,383
Revenue under collaboration agreements																			15,717	500	23,690	500
Contract liability, current				746															746		746					557
Contract liability, noncurrent				1,103															1,103		1,103					1,532
EEA License [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Performance obligation, transaction price				69,400															69,400		69,400
Financing liability							$ 69,400
ROW License [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Performance obligation, transaction price				73,100															73,100		73,100
Revenue under collaboration agreements							73,100
Development and Regulatory Services [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Performance obligation, transaction price				2,600															2,600		2,600
Alfresa Agreement [Member] \| License Agreement [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Upfront Payment																		$ 2,000
Milestone Payments																		13,000			13,000
Initial Transaction Price																		7,000
Contract with Customer, Liability, Revenue Recognized																			0	$ 0	0	$ 0
Contract with Customer, Liability				0															0		0					0
Milestone payments earned																					11,000
Remaining regulatory milestone																					2,000
Alfresa Agreement [Member] \| License Agreement [Member] \| JAPAN
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Upfront Payment																		$ 2,000
License Agreement Expiration Term																		10 years
Milestone Payments																	$ 5,000
Regulatory milestone payment														$ 6,000
Recordati Agreement [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Royalty expense payable																			$ 100		$ 100
Recordati Agreement [Member] \| License Agreement [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Upfront Payment																								$ 11,800
Initial Transaction Price															$ 11,800
Regulatory milestone payment														$ 6,000										$ 6,000
Recordati Agreement [Member] \| Termination Agreement [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Upfront Payment		$ 3,300	€ 3.0
Aggregate milestone payments				$ 5,900	€ 5.0
Estimated Life of Finite Lived Intangible Assets				13 years 6 months															13 years 6 months		13 years 6 months
Contract with Customer, Liability, Revenue Recognized																									$ 0
Recordati Agreement [Member] \| Research and development [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Milestone Payments									$ 2,100	€ 2.0
Recordati Agreement [Member] \| Research and development [Member] \| Termination Agreement [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Upfront Payment \| €																€ 3.0
Contract with Customer, Liability															$ 3,100
Recordati Agreement [Member] \| European Medicines Agency [Member] \| Termination Agreement [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Milestone Payments \| €			2.0
Recordati Agreement [Member] \| First commercial sale of Recordati Licensed Product [Member] \| Termination Agreement [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Milestone Payments \| €			5.0
Recordati Agreement [Member] \| Aggregate sale of Recordati Licensed Product [Member] \| Termination Agreement [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Royalty payments \| €			€ 5.0
Pediatrix Agreement [Member] \| License Agreement [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Upfront Payment													$ 3,000
License Agreement Expiration Term													10 years
Initial Transaction Price													$ 3,000
Contract with Customer, Liability, Revenue Recognized																							$ 3,000
Regulatory and Commercial Sales Milestones													84,000
Pediatrix Agreement [Member] \| License Agreement [Member] \| CHINA
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Regulatory milestone payment													$ 4,000
Seqirus Agreement [Member] \| License Agreement [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Upfront Payment											$ 500
Initial Transaction Price												$ 500
Contract with Customer, Liability, Revenue Recognized								$ 1,500			500
Regulatory and Commercial Sales Milestones											$ 4,500
ALK Collaboration Agreement [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Contract with Customer, Liability, Revenue Recognized																					$ (240)
Accounts receivable				$ 5,500															$ 5,500		5,500
Contract with Customer, Liability				1,849															1,849		1,849					2,089
Commercial milestone payments				5,000
ALK Collaboration Agreement [Member] \| ALK Financing Liability [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Contract with Customer, Liability				71,959															71,959		71,959					$ 69,383
Increase to the financing liability				2,400																	2,435
Royalty income not recognized				100
ALK Collaboration Agreement [Member] \| License Agreement [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Upfront Payment							$ 145,000
License Agreement Expiration Term							15 years
Regulatory milestone payment																					15,000
Commercial milestone payments																					5,000
Contingent Sales-Based Milestones							$ 55,000
Purchase Commitment Period	5 years
ALK Collaboration Agreement [Member] \| License Agreement [Member] \| Maximum [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Regulatory milestone payment							15,000
Sales-Based Milestones							300,000
ALK Collaboration Agreement [Member] \| Development and Regulatory Services [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Contract with Customer, Liability, Revenue Recognized							$ 500												100		200
Contract liability, current				700															700		700
Contract liability, noncurrent				1,100															1,100		1,100
ALK Collaboration Agreement [Member] \| First Commercial Sale Of Neffy [Member] \| License Agreement [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Upfront Payment																					5,000
ALK Collaboration Agreement [Member] \| First Commercial Sale Of Neffy [Member] \| Commercial Milestone [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Contract with Customer, Liability, Revenue Recognized																			2,600		2,600
ALK Co-Promotion Agreement [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Number of pediatricians \| Doctor						9,000
Performance based bonus payments percentage											30.00%
Transaction under agreement with A.L.K U.S						Payments to ALK U.S. for the services performed during the first year of the arrangement will be deferred and paid in the second year of the arrangement. In addition to the base fee, ALK U.S. will be eligible to receive performance-based bonus payments from the Company starting in the second year of the arrangement equal to 30% of the portion of neffy net sales generated from the ALK U.S.-targeted prescribers in excess of a specified initial market share threshold in year two or a 50% market share threshold during years three and four of the arrangement.
Threshold percentage						50.00%
Selling, general and administrative expenses related party amount																			1,400		1,400
Other accrued liabilities				$ 1,400															$ 1,400		$ 1,400