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v3.22.2.2

Nature of Operations and Summary of Significant Accounting Policies - Clinics in Operation Under Franchise Agreements or Company-owned or Managed (Details) - clinic | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Product Information, Franchised Clinics, Company-Owned Or Managed Clinics, Activity [Roll Forward] |  |  |  |
Closed during the period |  |  | 0 | 0
Clinics in operation at the end of the period | 805 | 666 | 805 | 666
Clinic licenses sold but not yet developed | 212 | 252 | 212 | 252
Licenses for future clinics subject to executed letters of intent | 40 | 43 | 40 | 43
Franchised Clinics |  |  |  |
Product Information, Franchised Clinics, Company-Owned Or Managed Clinics, Activity [Roll Forward] |  |  |  |
Clinics open at beginning of period | 662 | 555 | 610 | 515
Opened during the period | 33 | 28 | 91 | 76
Acquired during the period | 1 | 0 | 1 | 0
Sold during the period | (4) | 0 | (8) | (8)
Closed during the period | (2) | 0 | (4) | 0
Clinics in operation at the end of the period | 690 | 583 | 690 | 583
Company-Owned or Managed Clinics |  |  |  |
Product Information, Franchised Clinics, Company-Owned Or Managed Clinics, Activity [Roll Forward] |  |  |  |
Clinics open at beginning of period | 107 | 78 | 96 | 64
Opened during the period | 5 | 5 | 12 | 11
Acquired during the period | 4 | 0 | 8 | 8
Sold during the period | (1) | 0 | (1) | 0
Closed during the period | 0 | 0 |  |
Clinics in operation at the end of the period | 115 | 83 | 115 | 83

X
- Definition Represents the number of clinics acquired during the period. + References No definition available. + Details
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Namespace Prefix: | jynt_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the number of clinics closed during the period. + References No definition available. + Details
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Namespace Prefix: | jynt_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the number of number of clinics opened during the period. + References No definition available. + Details
Name: | jynt_ClinicsOpenedDuringThePeriod
Namespace Prefix: | jynt_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of clinics that have been sold as franchises, but are not yet operational. + References No definition available. + Details
Name: | jynt_ClinicsSoldButNotYetOperational
Namespace Prefix: | jynt_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- Definition Represents number of clinics sold during period. + References No definition available. + Details
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Namespace Prefix: | jynt_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition The number of future clinic's licenses that have an executed letter of intent. + References No definition available. + Details
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Namespace Prefix: | jynt_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- Definition Product Information, Franchised Clinics, Company-Owned Or Managed Clinics, Activity + References No definition available. + Details
Name: | jynt_ProductInformationFranchisedClinicsCompanyOwnedOrManagedClinicsActivityRollForward
Namespace Prefix: | jynt_
Data Type: | xbrli:stringItemType
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Period Type: | duration

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- Definition Represents the number of stores. + References No definition available. + Details
Name: | us-gaap_NumberOfStores
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- Details
Name: | us-gaap_FranchisorDisclosureAxis=us-gaap_FranchisedUnitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FranchisorDisclosureAxis=us-gaap_EntityOperatedUnitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |