v3.26.1
Loan Payable - SIV Convertible Promissory Notes (Details)
 1 Months Ended 3 Months Ended 6 Months Ended
Dec. 05, 2025
USD ($)
$ / shares
shares
Oct. 14, 2025
USD ($)
shares
Sep. 08, 2025
USD ($)
tranche
$ / shares
shares
May 20, 2025
USD ($)
shares
May 16, 2025
USD ($)
$ / shares
shares
Mar. 03, 2025
USD ($)
$ / shares
Oct. 24, 2024
USD ($)
tranche
$ / shares
shares
Apr. 30, 2026
USD ($)
shares
Dec. 31, 2025
USD ($)
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
shares
Jun. 30, 2026
USD ($)
shares
Jun. 30, 2025
USD ($)
shares
Dec. 01, 2025
USD ($)
Sep. 25, 2025
shares
Sep. 07, 2025
$ / shares
Jul. 01, 2025
Feb. 11, 2025
Dec. 17, 2024
Sep. 26, 2024
USD ($)
Sep. 15, 2024
shares
Jul. 12, 2024
USD ($)
payment
$ / shares
Debt Instrument [Line Items]                                            
Gain on debt extinguishment                   $ 0 $ 13,000 $ 0 $ 71,000                  
Repayments of debt                       783,000 672,000                  
Class of warrant or right, number of securities called by warrants or rights (in shares) | shares             20,009                              
Warrants and rights outstanding, term (in years)                                 5 years 5 years 5 years      
Change in fair value of warrant liability   $ 600,000               123,000 0 123,000 0                  
Interest recognized on convertible note                   $ 116,000 91,000 $ 702,000 $ (65,000)                  
Common Class A                                            
Debt Instrument [Line Items]                                            
Class of warrant or right, number of securities called by warrants or rights (in shares) | shares   418,465                         37,816           40,017  
Warrants and rights outstanding, term (in years)                   5 years   5 years                    
Convertible promissory notes | Convertible Debt                                            
Debt Instrument [Line Items]                                            
Initial borrowing capacity     $ 2,700,000       $ 3,000,000.0                         $ 2,300,000    
Interest rate (as percent)             15.00%                             15.00%
Number of periodic payments | payment                                           4
Debt instrument, convertible, conversion price (in dollars per share) | $ / shares $ 14.10   $ 19.81   $ 31.59 $ 37.84                   $ 132.27           $ 132.27
Debt instrument, prepayment penalty fee (as percent)                                           10.00%
Default interest derivative             $ 0     $ 0   $ 0   $ 0               $ 0
Debt instrument, number of tranches | tranche     2       2                              
Debt instrument, initial principal amount             $ 2,000,000.0                              
Debt instrument, additional amount             $ 1,000,000.0                              
Period after original issues to start conversion             6 months                              
Debt instrument prepayment fee percentage (as percent)             10.00%                              
Debt instrument, capital expenditures             $ 100,000                              
Effective interest rates being amortized           (25.00%)                                
Calculated effective interest rate             348.00%                              
Gain on debt extinguishment     $ (2,400,000)   $ 10,000.00 $ 100,000     $ 100,000   $ 10,000.00                      
Aggregate debt premium $ 100,000         $ 200,000                                
Debt converted into common stock (in shares) | shares       6,307 6,307           6,307   16,952                  
Principal of converted amount $ 1,000,000.0     $ 200,000             $ 200,000   $ 800,000                  
Repayments of debt       300,000                                    
Postponed payments       100,000                                    
Postponed payments, principal       60,000.00                                    
Postponed payments, interest       $ 40,000.00                                    
Class of warrant or right, number of securities called by warrants or rights (in shares) | shares 13,446   112,045                                      
Fair value of warrants     $ 1,700,000                                      
Warrants and rights outstanding, term (in years) 5 years   5 years                                      
Debt issuance costs $ 100,000                                          
Non-cash amortization of debt discount 40,000.00                 10,000.00 100,000 20,000.00 400,000                  
Debt instrument, indebtedness amount     $ 4,000,000.0                                      
Percentage of warrants to purchase shares (as percent)     10.00%                                      
Cash commitment to investor $ 4,000,000.0                                          
Debt instrument, increase, accrued interest                         100,000                  
Interest recognized on convertible note                   10,000.00 100,000 100,000 (100,000)                  
Interest expense                   $ 10,000.00 $ 100,000 $ 100,000 $ 300,000                  
Convertible promissory notes | Convertible Debt | Common Class A                                            
Debt Instrument [Line Items]                                            
Debt instrument, convertible, conversion price (in dollars per share) | $ / shares                               $ 3.57            
Convertible conversion discount rate     10.00%                                      
Convertible promissory notes | Convertible Debt | Share-Based Payment Arrangement, Tranche One                                            
Debt Instrument [Line Items]                                            
Debt instrument, convertible, conversion price (in dollars per share) | $ / shares             $ 132.27                              
Effective interest rates being amortized 13.00%                                          
Weekly installments payments     $ 1,000,000.0                                      
Convertible promissory notes | Convertible Debt | Share-Based Payment Arrangement, Tranche Two                                            
Debt Instrument [Line Items]                                            
Effective interest rates being amortized 27.00%           (18.00%)                              
Weekly installments payments     $ 1,700,000                                      
October SIV Warrants and December SIV Warrants | Convertible Debt                                            
Debt Instrument [Line Items]                                            
Class of warrant or right, number of securities called by warrants or rights (in shares) | shares     25,951                                      
SIV Modified Warrants | Convertible Debt                                            
Debt Instrument [Line Items]                                            
Change in fair value of warrant liability     $ 200,000                                      
September 2025 Amendment | Convertible Debt                                            
Debt Instrument [Line Items]                                            
Effective interest rates being amortized     103.00%                                      
Aggregate debt premium     $ 300,000                                      
Debt issuance costs     30,000.00                                      
Non-cash amortization of debt discount     100,000                                      
October 2024 Convertible Note | Convertible Debt                                            
Debt Instrument [Line Items]                                            
Debt converted into common stock (in shares) | shares               388,300       547,330                    
Principal of converted amount               $ 1,100,000       $ 1,900,000                    
Non-cash amortization of debt discount     $ 300,000                                      
Debt instrument, increase, accrued interest               $ 200,000       $ 400,000                    
October 2024 Convertible Note | Convertible Debt | Share-Based Payment Arrangement, Tranche One                                            
Debt Instrument [Line Items]                                            
Effective interest rates being amortized     (7.00%)                                      
October 2024 Convertible Note | Convertible Debt | Share-Based Payment Arrangement, Tranche Two                                            
Debt Instrument [Line Items]                                            
Effective interest rates being amortized     (34.00%)