| Note 11 - Subsequent Events (Details) (USD $)
 | 3 Months Ended | 0 Months Ended | 
      
        | Mar. 31, 2015 | Apr. 30, 2015 | Apr. 14, 2015 | Apr. 01, 2015 | 
      
        | Note 11 - Subsequent Events (Details) [Line Items] |  |  |  |  | 
      
        | Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in Shares) | 54,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross |  |  |  | 
      
        | Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in Dollars per share) | $ 8.20us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice |  |  |  | 
      
        | Subsequent Event [Member] | Repurchase of a Developed Franchise [Member] |  |  |  |  | 
      
        | Note 11 - Subsequent Events (Details) [Line Items] |  |  |  |  | 
      
        | Debt Instrument, Face Amount |  |  | $ 58,000us-gaap_DebtInstrumentFaceAmount / us-gaap_BusinessAcquisitionAxis
 = jynt_RepurchaseOfADevelopedFranchiseMember
 / us-gaap_SubsequentEventTypeAxis
 = us-gaap_SubsequentEventMember
 |  | 
      
        | Subsequent Event [Member] | Franchises in San Diego, California [Member] |  |  |  |  | 
      
        | Note 11 - Subsequent Events (Details) [Line Items] |  |  |  |  | 
      
        | Number of Franchises Repurchased |  | 8jynt_NumberOfFranchisesRepurchased / us-gaap_BusinessAcquisitionAxis
 = jynt_FranchisesInSanDiegoCaliforniaMember
 / us-gaap_SubsequentEventTypeAxis
 = us-gaap_SubsequentEventMember
 |  |  | 
      
        | Subsequent Event [Member] | Franchises in the Los Angeles County, California Region [Member[ |  |  |  |  | 
      
        | Note 11 - Subsequent Events (Details) [Line Items] |  |  |  |  | 
      
        | Number of Franchise Agreements Terminated |  | 9jynt_NumberOfFranchiseAgreementsTerminated / us-gaap_BusinessAcquisitionAxis
 = jynt_FranchisesInTheLosAngelesCountyCaliforniaRegionMember
 / us-gaap_SubsequentEventTypeAxis
 = us-gaap_SubsequentEventMember
 |  |  | 
      
        | Subsequent Event [Member] | Franchises in San Diego County and Los Angeles County [Member] |  |  |  |  | 
      
        | Note 11 - Subsequent Events (Details) [Line Items] |  |  |  |  | 
      
        | Business Combination, Consideration Transferred |  | 631,000us-gaap_BusinessCombinationConsiderationTransferred1 / us-gaap_BusinessAcquisitionAxis
 = jynt_FranchisesInSanDiegoCountyAndLosAngelesCountyMember
 / us-gaap_SubsequentEventTypeAxis
 = us-gaap_SubsequentEventMember
 |  |  | 
      
        | Business Combination, Consideration Transferred, Amount Funded from Proceeds of IPO |  | 550,100jynt_BusinessCombinationConsiderationTransferredAmountFundedFromProceedsOfIPO / us-gaap_BusinessAcquisitionAxis
 = jynt_FranchisesInSanDiegoCountyAndLosAngelesCountyMember
 / us-gaap_SubsequentEventTypeAxis
 = us-gaap_SubsequentEventMember
 |  |  | 
      
        | Debt Instrument, Face Amount |  | 89,900us-gaap_DebtInstrumentFaceAmount / us-gaap_BusinessAcquisitionAxis
 = jynt_FranchisesInSanDiegoCountyAndLosAngelesCountyMember
 / us-gaap_SubsequentEventTypeAxis
 = us-gaap_SubsequentEventMember
 |  |  | 
      
        | Subsequent Event [Member] |  |  |  |  | 
      
        | Note 11 - Subsequent Events (Details) [Line Items] |  |  |  |  | 
      
        | Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in Shares) |  |  |  | 7,500us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross / us-gaap_SubsequentEventTypeAxis
 = us-gaap_SubsequentEventMember
 | 
      
        | Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in Dollars per share) |  |  |  | $ 7.81us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice / us-gaap_SubsequentEventTypeAxis
 = us-gaap_SubsequentEventMember
 | 
      
        | Business Combination, Consideration Transferred |  |  | 335,000us-gaap_BusinessCombinationConsiderationTransferred1 / us-gaap_SubsequentEventTypeAxis
 = us-gaap_SubsequentEventMember
 |  | 
      
        | Business Combination, Consideration Transferred, Amount Funded from Proceeds of IPO |  |  | $ 276,500jynt_BusinessCombinationConsiderationTransferredAmountFundedFromProceedsOfIPO / us-gaap_SubsequentEventTypeAxis
 = us-gaap_SubsequentEventMember
 |  |