Number of shares of equity interests issued or issuable to creditors of acquiree entity.

No definition available.

Name:	jagx_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssuedToCreditors
Namespace Prefix:	jagx_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

The amount of accrued interest on notes payable.

+ References

No definition available.

+ Details

Name:	jagx_ConvertibleNotesPayableAccruedInterest
Namespace Prefix:	jagx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The amount of convertible notes redeemed.

+ References

No definition available.

+ Details

Name:	jagx_ConvertibleNotesRedemptionValue
Namespace Prefix:	jagx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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

No definition available.

+ Details

Name:	jagx_ConvertiblePromissoryNotesAndCommonStockWarrantsLineItems
Namespace Prefix:	jagx_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of interest paid with proceeds from equity financing.

+ References

No definition available.

+ Details

Name:	jagx_InterestPaidWhichProceedsFromEquityFinancing
Namespace Prefix:	jagx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The percent of increase in principal amount of exchangeable notes.

+ References

No definition available.

+ Details

Name:	jagx_PercentageOfIncreaseInPrincipalAmountOfExchangeableNotes
Namespace Prefix:	jagx_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of principal paid which proceeds from equity financing.

+ References

No definition available.

+ Details

Name:	jagx_PrincipalPaidWhichProceedsFromEquityFinancing
Namespace Prefix:	jagx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The total number of common stock issued during the period in exchange of services.

+ References

No definition available.

+ Details

Name:	jagx_StockIssuedDuringPeriodSharesRedemptionOfConvertibleDebt
Namespace Prefix:	jagx_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

The price per share of the conversion feature embedded in the debt instrument.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 5
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031898-161870

+ Details

Name:	us-gaap_DebtInstrumentConvertibleConversionPrice1
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

+ Details

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

- Definition

Value of input used to measure debt instrument, including, but not limited to, convertible and non-convertible debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258

+ Details

Name:	us-gaap_DebtInstrumentMeasurementInput
Namespace Prefix:	us-gaap_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of gain (loss) recognized in other comprehensive income (loss) for financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1a)
-URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258

+ Details

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

- Definition

Amount of settlements of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258

+ Details

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

- Definition

Price of a single share of a number of saleable stocks of a company.

+ References

No definition available.

+ Details

Name:	us-gaap_SharePrice
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_FinancialInstrumentAxis=jagx_ConversionOptionLiabilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=jagx_ConvertibleNotePurchaseAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	jagx_DebtAgreementAmendmentAxis=jagx_FirstAmendmentToNotePurchaseAgreementAndNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputExpectedDividendRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	jagx_DebtAgreementAmendmentAxis=jagx_SecondAmendmentToNotePurchaseAgreementAndNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputSharePriceMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputExpectedTermMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputPriceVolatilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputRiskFreeInterestRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Debt and Warrants - Amendment to Note Purchase Agreement and Notes (Details)				1 Months Ended	12 Months Ended
	May 23, 2018 USD ($)	Mar. 23, 2018 USD ($) Y item $ / shares	Feb. 16, 2018 USD ($) shares	Dec. 31, 2017 USD ($) item $ / shares shares	Dec. 31, 2018 USD ($)	Nov. 30, 2017 $ / shares	Dec. 31, 2016 USD ($)
Conversion option liability \| Level 3 \| Recurring
Debt and Warrants
Increase to the fair value of the conversion option liability					$ 174,754
Conversion option liability written off					$ 286,595
Convertible note purchase agreement
Debt and Warrants
Notes payable							$ 12,500,000
First Amendment to Note Purchase Agreement and Notes \| Conversion option liability \| Napo
Debt and Warrants
Conversion price (in dollars per share) \| $ / shares				$ 0.20
Strike price (in dollars per share) \| $ / shares				$ 0.14
First Amendment to Note Purchase Agreement and Notes \| Conversion option liability \| Napo \| Dividend rate
Debt and Warrants
Conversion option liability \| item				0.0000
First Amendment to Note Purchase Agreement and Notes \| Convertible note purchase agreement \| Napo
Debt and Warrants
Notes payable				$ 1,170,950
First Amendment to Note Purchase Agreement and Notes \| Convertible note purchase agreement \| Conversion option liability \| Napo
Debt and Warrants
Percent of increase in the principal amount				12.00%
Conversion price (in dollars per share) \| $ / shares				$ 0.20		$ 0.56
Issuance of common stock in exchange for services (in shares) \| shares				166,139
Partial redemption of convertible notes				$ 299,050
Second Amendment to Note Purchase Agreement and Notes \| Napo
Debt and Warrants
Notes payable			$ 435,950
Accrued interest on notes payable			$ 18,063
Shares issued to creditors \| shares			252,230
Principal paid		$ 735,000
Interest paid		$ 20,699
Second Amendment to Note Purchase Agreement and Notes \| Conversion option liability \| Napo
Debt and Warrants
Strike price (in dollars per share) \| $ / shares		$ 0.21
Second Amendment to Note Purchase Agreement and Notes \| Conversion option liability \| Napo \| Level 3 \| Recurring
Debt and Warrants
Increase to the fair value of the conversion option liability	$ 174,754	$ 174,754
Conversion option liability written off	$ 286,595	$ 286,595
Second Amendment to Note Purchase Agreement and Notes \| Conversion option liability \| Napo \| Stock price
Debt and Warrants
Conversion option liability \| $ / shares		0.21
Second Amendment to Note Purchase Agreement and Notes \| Conversion option liability \| Napo \| Expected life
Debt and Warrants
Conversion option liability \| Y		0.11
Second Amendment to Note Purchase Agreement and Notes \| Conversion option liability \| Napo \| Volatility
Debt and Warrants
Conversion option liability \| item		2.8816
Second Amendment to Note Purchase Agreement and Notes \| Conversion option liability \| Napo \| Risk free rate
Debt and Warrants
Conversion option liability \| item		0.0169
Second Amendment to Note Purchase Agreement and Notes \| Conversion option liability \| Napo \| Dividend rate
Debt and Warrants
Conversion option liability \| item		0.0000