Represents the period for class of warrants or right.

No definition available.

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- Definition

Extension term of collaboration agreement.

+ References

No definition available.

+ Details

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- Definition

The period of collaboration agreement.

+ References

No definition available.

+ Details

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- References

No definition available.

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Data Type:	xbrli:stringItemType
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- Definition

The amount of cancelled letter of credit.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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- Definition

Represents the amount of letter of credit received as collateral.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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- Definition

Number of days agreement can be terminated resulting from a written notice of a material breach.

+ References

No definition available.

+ Details

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Data Type:	xbrli:durationItemType
Balance Type:	na
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- Definition

Represents the amount of monthly base rent for final months.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

Represents the amount of monthly base rent for first twelve months.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

Represents the amount of monthly base rent for subsequent twelve months.

+ References

No definition available.

+ Details

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

- Definition

Amount of rent payable per month under sub lease.

+ References

No definition available.

+ Details

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

- Definition

Represents the number of kilograms of crofelemer per year per agreement.

+ References

No definition available.

+ Details

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Namespace Prefix:	jagx_
Data Type:	num:massItemType
Balance Type:	na
Period Type:	duration

- Definition

The period in which the license can be terminated by either party.

+ References

No definition available.

+ Details

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Data Type:	xbrli:durationItemType
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- Definition

Amount of increase in additional paid in capital (APIC) resulting from the issuance of warrants. Includes allocation of proceeds of debt securities issued with detachable stock purchase warrants.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Paragraph 1
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Area of land held.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	instant

- 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
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-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644

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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

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

- Definition

Amount of operating lease expense. Excludes sublease income.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 4
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-URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918638-209977

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Commitments and Contingencies - Commitments (Details)				12 Months Ended
Commitments and Contingencies - Commitments (Details)	Sep. 03, 2020 kg	Aug. 31, 2020 USD ($) ft²	Aug. 28, 2018 USD ($) ft² shares	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Commitments and Contingencies
Monthly base rent for first twelve months			$ 38,000
Monthly base rent for subsequent twelve months			40,000
Monthly base rent for final months			41,000
Standby letter of credit received as collateral			$ 475,000
Term			5 years
Warrants to purchase (in shares) \| shares			9,580
Fair value of warrants included in stockholders equity			$ 494,000
Minimum
Commitments and Contingencies
Lease expense under non-cancelable operating lease				$ 38,000
Letter of credit
Commitments and Contingencies
Letter of Credit						$ 475,000
Letter of credit \| Shareholder
Commitments and Contingencies
Letter of Credit						122,000
Letter of credit cancelled						$ 122,000
General and administrative expense
Commitments and Contingencies
Lease expense under non-cancelable operating lease				$ 633,000	$ 745,000
Office lease extension agreement
Commitments and Contingencies
Area (in square feet) \| ft²			6,311
Office space sub lease
Commitments and Contingencies
Area (in square feet) \| ft²		5,263
Sub lease rent		$ 15,000
Manufacturing and Supply Agreement with Glenmark Life Sciences Limited [Member]
Commitments and Contingencies
License agreement term (in years)	2 years 6 months
Agreement extension term	2 years
License termination term option	12 months
License termination activated upon written notice of material breach of Agreement	90 days
Manufacturing and Supply Agreement with Glenmark Life Sciences Limited [Member] \| Minimum
Commitments and Contingencies
Number of kilograms of crofelemer per year per agreement \| kg	300