Represents the amount of letter of credit received as collateral.

No definition available.

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

- Definition

Represents the number of existing shareholders.

+ References

No definition available.

+ Details

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Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

The cash outflow associated with fees to a related party. Alternate caption. Payments for Advances to Affiliates.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644

+ Details

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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

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

+ References

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-Publisher FASB
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-Topic 835
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-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

+ Details

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

- Definition

Carrying amount as of the balance sheet date of obligations due all related parties.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of transactions with related party during the financial reporting period.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
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+ Details

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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

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

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
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- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=jagx_OfficeLeaseExtensionAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=jagx_PacificCapitalManagementLlcMember
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Balance Type:
Period Type:

Related Party Transactions - Letter of Credit (Details)			1 Months Ended			12 Months Ended
Related Party Transactions - Letter of Credit (Details)	Mar. 24, 2020 USD ($)	Aug. 28, 2018 USD ($) shares	Oct. 31, 2020 USD ($)	Nov. 30, 2019 USD ($)	Aug. 31, 2018 USD ($) shareholder shares	Dec. 31, 2020 USD ($)
Related party Transactions
Standby letter of credit received as collateral		$ 475,000
Warrants to purchase (in shares) \| shares		9,580
Letter of credit \| Dr. A. Conte
Related party Transactions
Principal amount	$ 475,000
Consideration	10,000
Expenses reimbursable						$ 0
Payment of additional consideration			$ 7,000			65,000
Payable amount						$ 0
Letter of credit \| Maximum \| Dr. A. Conte
Related party Transactions
Expenses reimbursable	7,500
Payable amount	$ 7,500
Office lease extension agreement \| Pacific Capital Management LLC
Related party Transactions
Number of shareholders \| shareholder					1
Standby letter of credit received as collateral					$ 475,000
Warrants to purchase (in shares) \| shares					9,580
Payment of additional consideration				$ 45,000