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Note 1 - Nature of Operations and Summary of Significant Accounting Policies (Details) - Franchise Agreements | 3 Months Ended
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Mar. 31, 2015 | Mar. 31, 2014
Franchise Agreements [Abstract] |  |
Clinics open at beginning of period | 246 us-gaap_NumberOfStores | 175 us-gaap_NumberOfStores
Clinics opened during the period | 13 jynt_ClinicsOpenedDuringThePeriod | 18 jynt_ClinicsOpenedDuringThePeriod
Clinics closed during the period | (6)jynt_ClinicsClosedDuringThePeriod | (1)jynt_ClinicsClosedDuringThePeriod
Clinics in operation at the end of the period | 253 us-gaap_NumberOfStores | 192 us-gaap_NumberOfStores
Clinics sold but not yet operational | 254 jynt_ClinicsSoldButNotYetOperational | 263 jynt_ClinicsSoldButNotYetOperational

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

X
- Definition The number of franchises 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

X
- Details
Name: | jynt_FranchiseAgreementsAbstract
Namespace Prefix: | jynt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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