Quarterly report pursuant to Section 13 or 15(d)

Note 1 - Nature of Operations and Summary of Significant Accounting Policies - Impacts of Error Correction ASC 810 (Details)

v3.19.1
Note 1 - Nature of Operations and Summary of Significant Accounting Policies - Impacts of Error Correction ASC 810 (Details) - USD ($)
 3 Months Ended 12 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Dec. 31, 2018
Dec. 31, 2017
Revenues:        
Revenue from Contract with Customer $ 10,679,376 $ 8,646,964 $ 36,661,660  
General and administrative expenses 6,552,904 6,268,686 25,238,121  
Total selling, general and administrative expenses 8,424,570 7,758,407 31,613,916  
Loss from operations 1,048,865 (83,775) 143,535  
Other (expense) income, net (97,540) (11,194) (34,567)  
Loss before income tax benefit (expense) 951,325 (94,969) 108,968  
Net loss and comprehensive loss 952,644 (31,614) 146,696  
Income before income tax benefit (expense) 951,325 (94,969) 108,968  
Net income and comprehensive income $ 952,644 $ (31,614) $ 146,696  
Loss per share:        
Basic and diluted loss per share (in dollars per share)   $ 0    
Basic and diluted weighted average shares (in shares)   13,587,837    
Basic earnings (loss) per share (in dollars per share) $ 0.07 $ 0 $ 0.01  
Diluted earnings (loss) per share (in dollars per share) $ 0.07 $ 0 $ 0.01  
Basic weighted average shares (in shares) 13,751,196 13,587,837 13,669,107  
Diluted weighted average shares (in shares) 14,256,006 13,587,837 14,031,717  
Accounts receivable, net $ 1,078,558   $ 806,350  
Total current assets 10,904,453   11,303,988  
Goodwill 3,225,145   3,225,145  
Total assets 33,939,717   23,427,713  
Current liabilities:        
Deferred revenue from company clinics 2,527,032   2,529,497  
Total current liabilities 10,863,879   10,273,127  
Total liabilities 31,867,457   22,700,112  
Commitments and contingencies    
Equity:        
Accumulated deficit (36,431,807)   (37,384,451)  
Total The Joint Corp. stockholders' equity 2,072,360   727,701  
Non-controlling Interest (100)   (100)  
Total equity 2,072,260 $ (174,469) 727,601 $ (373,821)
Total liabilities and equity 33,939,717   23,427,713  
Revenues and Management Fees from Company Clinics [Member]        
Revenues:        
Revenue from Contract with Customer $ 5,639,076 4,805,673 19,545,276  
Previously Reported [Member]        
Revenues:        
Revenue from Contract with Customer   7,097,915 31,789,249  
General and administrative expenses   5,074,927 20,304,132  
Total selling, general and administrative expenses   6,564,648 26,679,927  
Loss from operations   (439,065) 205,113  
Other (expense) income, net   (11,194) 10,241  
Loss before income tax benefit (expense)   (450,259) 215,354  
Net loss and comprehensive loss   (386,904) 253,083  
Income before income tax benefit (expense)   (450,259) 215,354  
Net income and comprehensive income   $ (386,904) $ 253,083  
Loss per share:        
Basic and diluted loss per share (in dollars per share)   $ (0.03)    
Basic and diluted weighted average shares (in shares)   13,587,837    
Basic earnings (loss) per share (in dollars per share)     $ 0.02  
Diluted earnings (loss) per share (in dollars per share)     $ 0.02  
Basic weighted average shares (in shares)     13,669,107  
Diluted weighted average shares (in shares)     14,031,717  
Accounts receivable, net     $ 1,213,707  
Total current assets     11,711,345  
Goodwill     2,916,426  
Total assets     23,526,352  
Current liabilities:        
Deferred revenue from company clinics     994,493  
Total current liabilities     8,738,123  
Total liabilities     21,165,108  
Commitments and contingencies      
Equity:        
Accumulated deficit     (35,750,908)  
Total The Joint Corp. stockholders' equity     2,361,244  
Non-controlling Interest      
Total equity     2,361,244  
Total liabilities and equity     23,526,352  
Previously Reported [Member] | Revenues and Management Fees from Company Clinics [Member]        
Revenues:        
Revenue from Contract with Customer   $ 3,256,624 14,672,865  
Restatement Adjustment [Member]        
Revenues:        
Revenue from Contract with Customer   1,549,049 4,872,411  
General and administrative expenses   1,193,759 4,933,989  
Total selling, general and administrative expenses   1,193,759 4,933,989  
Loss from operations   355,290 (61,578)  
Other (expense) income, net   (44,808)  
Loss before income tax benefit (expense)   355,290 (106,386)  
Net loss and comprehensive loss   355,290 (106,386)  
Income before income tax benefit (expense)   355,290 (106,386)  
Net income and comprehensive income   $ 355,290 $ (106,386)  
Loss per share:        
Basic and diluted loss per share (in dollars per share)   $ 0.03    
Basic and diluted weighted average shares (in shares)      
Basic earnings (loss) per share (in dollars per share)     $ (0.01)  
Diluted earnings (loss) per share (in dollars per share)     $ (0.01)  
Basic weighted average shares (in shares)      
Diluted weighted average shares (in shares)      
Accounts receivable, net     $ (407,357)  
Total current assets     (407,357)  
Goodwill     308,719  
Total assets     (98,639)  
Current liabilities:        
Deferred revenue from company clinics     1,535,004  
Total current liabilities     1,535,004  
Total liabilities     1,535,004  
Commitments and contingencies      
Equity:        
Accumulated deficit     (1,633,543)  
Total The Joint Corp. stockholders' equity     (1,633,543)  
Non-controlling Interest     (100)  
Total equity     (1,633,643)  
Total liabilities and equity     (98,639)  
Restatement Adjustment [Member] | Revenues and Management Fees from Company Clinics [Member]        
Revenues:        
Revenue from Contract with Customer   $ 1,549,049 $ 4,872,411