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Stockholders' Equity (Deficit) - Additional Information (Detail)
 1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Apr. 11, 2023
USD ($)
$ / shares
shares
Jul. 31, 2023
shares
Mar. 31, 2022
shares
Jun. 30, 2023
USD ($)
Votes
$ / shares
shares
Jun. 30, 2022
USD ($)
Jun. 30, 2023
USD ($)
Votes
$ / shares
shares
Jun. 30, 2022
USD ($)
Dec. 31, 2022
USD ($)
Votes
$ / shares
shares
Apr. 01, 2023
$ / shares
shares
Mar. 01, 2022
$ / shares
shares
Dec. 31, 2021
shares
Class of Stock [Line Items]                      
Common stock shares authorized       100,000,000   100,000,000   100,000,000      
Common stock par or stated value per share | $ / shares       $ 0.00001   $ 0.00001   $ 0.00001      
Proceeds from the issuance of preferred stock | $           $ 1,000,000 $ 0        
Common stock shares issued       7,064,008   7,064,008   7,064,008      
Common stock shares outstanding       7,064,008   7,064,008   7,064,008      
Share based compensation by share based award weighted average remaining term for outstanding stock options           8 years 5 months 15 days          
Janover Inc. 2021 Equity Incentive Plan [Member]                      
Class of Stock [Line Items]                      
Common stock shares reserved for future issuance                     659,824
Share based compensation by share based award number of shares available for grant       237,610   237,610          
January 2021 Equity Incentive Plan [Member]                      
Class of Stock [Line Items]                      
Share based compensation by share based award non vested awards cost not yet recognized amount | $               $ 225,228      
January 2021 Equity Incentive Plan [Member] | Stock Options and Shares Issued For Services [Member]                      
Class of Stock [Line Items]                      
Allocated share based compensation | $       $ 103,876 $ 208,756 $ 203,032 $ 467,206        
January 2021 Equity Incentive Plan [Member] | Stock options [Member]                      
Class of Stock [Line Items]                      
Share based compensation by share based award non vested awards cost not yet recognized period for recognition               1 year 3 months      
Recapitalization and Restated and Amended Certificate of Incorporation 2022 [Member]                      
Class of Stock [Line Items]                      
Preferred stock number of shares authorized                   10,000,000  
Preferred stock par or stated value per share | $ / shares                   $ 0.00001  
Aggregate number of shares authorized preferred and equity                   110,000,000  
Common stock shares authorized                   100,000,000  
Common stock par or stated value per share | $ / shares                   $ 0.00001  
Preferred Class B [Member]                      
Class of Stock [Line Items]                      
Preferred stock number of shares authorized       1,000   1,000          
Preferred stock shares conversion price as a percentage of issue price per share puruant to offering       50.00%   50.00%          
Stock issued during the period shares new issues 1,000                    
Proceeds from the issuance of preferred stock | $ $ 1,000,000                    
Shares issued price per share | $ / shares $ 1,000                    
Preferred stock shares outstanding       1,000   1,000          
Preferred stock shares issued       1,000   1,000          
Preferred Class A [Member] | Filing of Amended and Restated Certificate of Incorporation 2022 [Member]                      
Class of Stock [Line Items]                      
Stock issued during the period shares recapitalization     10,000                
Series A Preferred Stock [Member]                      
Class of Stock [Line Items]                      
Preferred stock number of shares authorized       100,000   100,000   100,000      
Preferred stock par or stated value per share | $ / shares       $ 0.00001   $ 0.00001   $ 0.00001      
Number of votes per share | Votes       10,000   10,000   10,000      
Preferred stock shares outstanding       10,000   10,000   10,000      
Preferred stock shares issued       10,000   10,000   10,000      
Recapitalization and Restated and Amended Certificate of Incorporation [Member] | Preferred Class B [Member]                      
Class of Stock [Line Items]                      
Preferred stock number of shares authorized                 1,000    
Preferred stock par or stated value per share | $ / shares                 $ 1,000    
Class B Common Stock Converted Into Common Stock [Member] | Filing of Amended and Restated Certificate of Incorporation 2022 [Member]                      
Class of Stock [Line Items]                      
Stock issued during the period shares recapitalization     6,598,240                
Series B Preferred Stock Into Equity Stock [Member] | Subsequent Event [Member]                      
Class of Stock [Line Items]                      
Common stock shares issued on conversion on preferred stock into equity during the period shares   500,000