v3.26.1
Stockholders’ Deficit and Stock-Based Compensation - Additional Information (Details)
 1 Months Ended 3 Months Ended 6 Months Ended 7 Months Ended 12 Months Ended 18 Months Ended
Apr. 28, 2026
USD ($)
$ / shares
Dec. 30, 2025
shares
Nov. 20, 2025
USD ($)
shares
Oct. 24, 2025
shares
Oct. 15, 2025
USD ($)
Oct. 13, 2025
shares
Aug. 08, 2025
USD ($)
$ / shares
shares
Dec. 27, 2024
USD ($)
shares
Oct. 18, 2024
USD ($)
$ / shares
Feb. 15, 2022
$ / shares
shares
Aug. 13, 2026
USD ($)
shares
Oct. 31, 2025
USD ($)
Jun. 30, 2025
USD ($)
shares
Jun. 30, 2026
USD ($)
$ / shares
shares
Jun. 30, 2025
USD ($)
shares
Jun. 30, 2026
USD ($)
$ / shares
shares
Dec. 31, 2025
USD ($)
$ / shares
shares
Jun. 30, 2026
USD ($)
$ / shares
shares
Jul. 31, 2026
shares
Sep. 30, 2025
shares
Jun. 09, 2025
shares
Subsidiary, Sale of Stock [Line Items]                                          
Preferred stock authorized (in shares)                           10,000,000   10,000,000 10,000,000 10,000,000      
Preferred stock par value (in dollar per share) | $ / shares                           $ 0.001   $ 0.001 $ 0.001 $ 0.001      
Warrants fair value | $                           $ 0   $ 0   $ 0      
Issuance pursuant to the Equity Reserve Facility | $                         $ 2,541,000 1,119,000 $ 4,580,000     11,700,000      
Preferred stock, amount of preferred dividends in arrears (in dollars per share) | $                           $ 2,500,000              
Cumulative preferred dividends in arrears, per share (in dollars per share) | $ / shares                           $ 92.72              
Accrued dividends | $                         0 $ 1,163,000 0 1,163,000   1,163,000      
Loss on settlement of accounts payable | $                           $ 1,200,000              
Share purchase agreement, termination written notice period                           5 days              
Options, vested in period, fair value | $                           $ 100,000              
Restricted stock units                                          
Subsidiary, Sale of Stock [Line Items]                                          
Number of shares issued in transaction (in shares)                           323              
Weighted-average period over which unamortized stock-based compensation expense will recognized (in years)                           1 year 7 months 17 days              
Number of shares withheld (in shares)                           1,030              
Unrecognized stock-based compensation related to unvested RSUs | $                           $ 100,000   $ 100,000   $ 100,000      
Restricted stock units | Minimum                                          
Subsidiary, Sale of Stock [Line Items]                                          
Vesting period (in years)                           1 year              
Restricted stock units | Maximum                                          
Subsidiary, Sale of Stock [Line Items]                                          
Vesting period (in years)                           3 years              
2022 Omnibus Plan                                          
Subsidiary, Sale of Stock [Line Items]                                          
Number of shares reserved for issuance (in shares)                           15,909   15,909   15,909      
Number of shares issuable   40,909                                     18,181
Shares available for grant                           4,698   4,698   4,698      
2022 Omnibus Plan                                          
Subsidiary, Sale of Stock [Line Items]                                          
Stock-based compensation recognized | $                           $ 300,000 700,000            
2022 Omnibus Plan | Options to purchase common stock                                          
Subsidiary, Sale of Stock [Line Items]                                          
Contractual period (in years)                           10 years              
Unrecognized stock-based compensation related to unvested stock options | $                           $ 300,000   $ 300,000   $ 300,000      
Number of shares related to unvested stock options (in shares)                           60,609   60,609   60,609      
Weighted-average period over which unamortized stock-based compensation expense will recognized (in years)                           2 years 8 months 19 days              
2022 Omnibus Plan | Options to purchase common stock | Minimum                                          
Subsidiary, Sale of Stock [Line Items]                                          
Vesting period (in years)                           1 year              
2022 Omnibus Plan | Options to purchase common stock | Maximum                                          
Subsidiary, Sale of Stock [Line Items]                                          
Vesting period (in years)                           3 years              
Subsequent Event | 2022 Omnibus Plan                                          
Subsidiary, Sale of Stock [Line Items]                                          
Number of shares issuable                                     1,200,000    
Shares available for grant                     1,204,698                    
Roth Principal Investments, LLC                                          
Subsidiary, Sale of Stock [Line Items]                                          
Sale of stock, maximum shares issuable, amount | $ $ 50,000,000.0                                        
Purchase agreement term 36 months                                        
Sale of stock, fixed discount rate                           0.080              
Share purchase agreement, maximum issuable amount, percent 19.99%                                        
Average price paid on agreement (in dollars per share) | $ / shares $ 2.45                                        
Structuring fee | $ $ 25,000                                        
Legal fees and ongoing due diligence expenses | $ 75,000                                        
Consideration received on transaction | $                           $ 100,000              
Roth Principal Investments, LLC | Subsequent Event                                          
Subsidiary, Sale of Stock [Line Items]                                          
Consideration received on transaction | $                     $ 100,000                    
Digital Offering, LLC                                          
Subsidiary, Sale of Stock [Line Items]                                          
Payments for legal fees and ongoing due diligence | $ $ 50,000                                        
New Circle Principal Investments LLC                                          
Subsidiary, Sale of Stock [Line Items]                                          
Share purchase agreement, maximum issuable amount, percent                 19.99%                        
Share purchase agreement, maximum amount | $                 $ 100,000,000                        
Sale of stock, number of shares authorized (in shares)   454,545       227,272   38,636                          
Legal fees | $               $ 100,000                          
Continuation Capital, Inc.                                          
Subsidiary, Sale of Stock [Line Items]                                          
Settlement agreement, exchange shares selling price percentage     76.00%                                    
Valuation period, trading days     5 days                                    
Measurement Input, Discount Rate                                          
Subsidiary, Sale of Stock [Line Items]                                          
Measurement input                           0.0194   0.0194   0.0194      
Measurement Input, Expected Term                                          
Subsidiary, Sale of Stock [Line Items]                                          
Warrants exercisable term (in years)                           5 years   5 years   5 years      
Measurement Input, Price Volatility                                          
Subsidiary, Sale of Stock [Line Items]                                          
Measurement input                           0.66   0.66   0.66      
Measurement Input, Expected Dividend Rate                                          
Subsidiary, Sale of Stock [Line Items]                                          
Measurement input                           0   0   0      
Warrant                                          
Subsidiary, Sale of Stock [Line Items]                                          
Stock and warrants issued during period, shares, options exercised (in shares)                           47     47        
APIC                                          
Subsidiary, Sale of Stock [Line Items]                                          
Issuance pursuant to the Equity Reserve Facility | $                         $ 2,541,000 $ 1,118,000 $ 4,580,000            
IPO                                          
Subsidiary, Sale of Stock [Line Items]                                          
Number of shares of common stock (in shares)                   1                      
Number of warrants to purchase each share (in shares)                   1                      
Warrants exercise price (in dollars per share) | $ / shares                   $ 1,210                      
Over-Allotment Option                                          
Subsidiary, Sale of Stock [Line Items]                                          
Purchase option - number of additional units (in shares)                   636                      
Exercise price of additional units (in dollars per share) | $ / shares                   $ 1,452                      
Public offering price per unit sold (as percent)                   120.00%                      
Stock and warrants issued during period, shares, options exercised (in shares)                           318     318        
Class A Common Stock                                          
Subsidiary, Sale of Stock [Line Items]                                          
Common stock, authorized (in shares)           760,000,000               760,000,000   760,000,000 760,000,000 760,000,000   160,000,000  
Common stock, par value (in dollars per share) | $ / shares                           $ 0.001   $ 0.001 $ 0.001 $ 0.001      
Preferred stock, share authorized increase (in shares)                           10,000   10,000   10,000      
Units of share converted (in shares)                                 136,364        
Class A Common Stock | Roth Principal Investments, LLC                                          
Subsidiary, Sale of Stock [Line Items]                                          
Common stock, par value (in dollars per share) | $ / shares $ 0.001                                        
Maximum potential percentage of ownership after transaction 4.99%                                        
Number of shares issued in transaction (in shares)                           38,288              
Class A Common Stock | Roth Principal Investments, LLC | Subsequent Event                                          
Subsidiary, Sale of Stock [Line Items]                                          
Number of shares issued in transaction (in shares)                     20,358                    
Class A Common Stock | New Circle Principal Investments LLC                                          
Subsidiary, Sale of Stock [Line Items]                                          
Common stock, par value (in dollars per share) | $ / shares                 $ 0.001                        
Issuance of Class A common stock, net of transaction costs (in shares)       454       285                          
Number of shares issued in transaction (in shares)                                 108,451        
Consideration received on transaction | $                                 $ 7,300,000        
Class A Common Stock | Continuation Capital, Inc.                                          
Subsidiary, Sale of Stock [Line Items]                                          
Number of shares issued in transaction (in shares)                           152,041   204,332          
Consideration received on transaction | $     $ 3,000,000                                    
Sale of stock, share settlement fee     431                                    
Settlement agreement, related to third party vendor payables | $                           $ 800,000   $ 1,500,000          
Class A Common Stock | Continuation Capital, Inc. | Maximum                                          
Subsidiary, Sale of Stock [Line Items]                                          
Number of shares issued in transaction (in shares)     227,272                                    
Class A Common Stock | Common Stock                                          
Subsidiary, Sale of Stock [Line Items]                                          
Issuance pursuant to the Equity Reserve Facility (in shares)                         20,546 216,250 27,543            
Issuance pursuant to the Equity Reserve Facility | $                           $ 1,000              
Class A Common Stock | Over-Allotment Option                                          
Subsidiary, Sale of Stock [Line Items]                                          
Warrants exercise price (in dollars per share) | $ / shares                   $ 2.64                      
Purchase option - number of warrants (in shares)                   95                      
Public offering price per warrant sold (as percent)                   120.00%                      
Class B Common Stock                                          
Subsidiary, Sale of Stock [Line Items]                                          
Common stock, authorized (in shares)                           20,000,000   20,000,000 20,000,000 20,000,000      
Common stock, par value (in dollars per share) | $ / shares                           $ 0.001   $ 0.001 $ 0.001 $ 0.001      
Convertible Preferred Stock                                          
Subsidiary, Sale of Stock [Line Items]                                          
Conversion of stock, shares converted                                 7,923        
Preferred stock authorized (in shares)             25,000             35,000   35,000   35,000      
Preferred stock par value (in dollar per share) | $ / shares                           $ 0.001   $ 0.001   $ 0.001      
Preferred stock, authorized amount | $             $ 25,000,000.0                            
Preferred dividends accrued | $         $ 10,000,000.0                                
Preferred stock, convertible, conversion price (in dollars per share) | $ / shares                           $ 1,000   $ 1,000   $ 1,000      
Preferred dividend             10.00%                            
Preferred stock, shares outstanding             12,525                            
Accumulated conversion value, conversion price (in dollars per share) | $ / shares             $ 550.00                            
Accumulated conversion value thereof             3.00                            
Dividends, preferred stock | $                       $ 3,300,000                  
DDH LLC                                          
Subsidiary, Sale of Stock [Line Items]                                          
Noneconomic voting rights (as percent)                           100.00%              
Direct Digital Management LLC | Class A Common Stock                                          
Subsidiary, Sale of Stock [Line Items]                                          
Conversion of stock, shares converted                           0 1,909            
Number of shares of common stock (in shares)                           1   1   1      
DDM | Class B Common Stock                                          
Subsidiary, Sale of Stock [Line Items]                                          
Number of shares of common stock (in shares)                           42,160   42,160   42,160