v3.26.3
TRANSACTIONS WITH RELATED PARTIES (Details)
3 Months Ended 9 Months Ended 12 Months Ended
Mar. 27, 2026
USD ($)
Mar. 18, 2026
USD ($)
$ / shares
shares
Mar. 17, 2026
$ / shares
Oct. 07, 2025
$ / shares
shares
Oct. 06, 2025
$ / shares
Aug. 06, 2025
USD ($)
installment
$ / shares
shares
Jun. 02, 2025
USD ($)
debt_instrument
$ / shares
shares
May 05, 2025
$ / shares
shares
Oct. 22, 2024
debt_instrument
Oct. 21, 2024
Sep. 30, 2026
USD ($)
shares
Sep. 30, 2025
USD ($)
Sep. 30, 2026
USD ($)
$ / shares
shares
Sep. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
$ / shares
Dec. 31, 2024
USD ($)
Sep. 25, 2026
USD ($)
Jan. 30, 2024
shares
Related Party Transaction [Line Items]                                    
Conversion of notes payable into Series H convertible preferred stock | $                         $ 0 $ 583,794        
Incremental stock-based compensation expense | $                         $ 964,930          
Granted (in shares)                         22,700,000          
Number of shares available for issuance (in shares)                     26,000,000.0   26,000,000.0          
Contractual term                         10 years          
Exercised (in dollars per share) | $ / shares                         $ 0.35          
Vesting period                         3 years          
Selling, general and administrative expense | $ [1]                     $ 14,791,066 $ 11,523,571 $ 42,613,013 14,328,619        
Accounts payable - trade | $ [2]                     2,972,544   2,972,544   $ 1,988,049      
Capital contribution | $                         $ 2,984,840 $ 0        
Goldeneye Unsecured Promissory Note                                    
Related Party Transaction [Line Items]                                    
Aggregate principal amount | $                                 $ 22,000,000.0  
Management                                    
Related Party Transaction [Line Items]                                    
Stock options repriced (in shares)   82,000,000.0                     82,000,000          
Original exercise price (in dollars per share) | $ / shares   $ 0.37 $ 1.10                   $ 0.37   $ 1.10      
Management | Amended and Restated 2021 Equity Incentive Plan | Stock Option                                    
Related Party Transaction [Line Items]                                    
Stock options repriced (in shares)       48,600,000                            
Original exercise price (in dollars per share) | $ / shares       $ 1.10 $ 2.45                          
Mr. Erickson | Management                                    
Related Party Transaction [Line Items]                                    
Issuance of common stock for stock option exercises (in shares)           335,000   100,000                    
Grant date fair value ( in dollars per share) | $ / shares           $ 0.50   $ 0.44                    
Vesting rights percentage           50.00%                        
Number of quarterly vesting installments | installment           8                        
Number of quarterly vesting installments following six-month cliff | installment           2                        
Incremental stock-based compensation expense | $                         $ 275,000          
Mr. Erickson | Management | Warrant Extension Agreement                                    
Related Party Transaction [Line Items]                                    
Number of warrants converted (in shares)                                   47,367
J3E2A2Z LP | Management | Series H Convertible Preferred Stock                                    
Related Party Transaction [Line Items]                                    
Number of shares issued upon conversion of debt (in shares)             16,916                      
Dividend rate             8.00%                      
Dividends payable | $           $ 140,210 $ 700,000                      
Number of shares redeemed (in shares)           16,916                        
Payments for redemption of preferred stock | $           $ 654,276                        
Preferred stock, conversion price (in dollars per share) | $ / shares           $ 0.335                        
Accrued and unpaid dividends amount | $           $ 70                        
J3E2A2Z LP | Management | Common Stock                                    
Related Party Transaction [Line Items]                                    
Shares issued upon conversion of preferred stock (in shares)           2,000,000.0                        
J3E2A2Z LP | Management | Convertible Promissory Notes                                    
Related Party Transaction [Line Items]                                    
Number of notes maturity date extended | debt_instrument                 2                  
Interest rate                 8.00% 6.00%                
J3E2A2Z LP | Management | Convertible Promissory Notes | Series H Convertible Preferred Stock                                    
Related Party Transaction [Line Items]                                    
Conversion of notes payable into Series H convertible preferred stock | $             $ 1,184,066                      
Number of notes exchanged for stock | debt_instrument             2                      
Conversion price (in dollars per share) | $ / shares             $ 0.335                      
J3E2A2Z LP | Management | Warrant Extension Agreement                                    
Related Party Transaction [Line Items]                                    
Number of warrants converted (in shares)                                   47,367
Particle | Management | Legacy Non-Invasive Sensor Technology Business                                    
Related Party Transaction [Line Items]                                    
Disposal group, consideration | $ $ 1.00                                  
Disposal group, revenue share percentage for five years from disposal 10.00%                                  
Particle | Management | Legacy Non-Invasive Sensor Technology Business | Minimum                                    
Related Party Transaction [Line Items]                                    
Disposal group, percentage of acquisition proceeds within five years of disposal 5.00%                                  
Particle | Management | Legacy Non-Invasive Sensor Technology Business | Maximum                                    
Related Party Transaction [Line Items]                                    
Disposal group, percentage of acquisition proceeds within five years of disposal 35.00%                                  
Linda Jenkinson | Management                                    
Related Party Transaction [Line Items]                                    
Granted (in shares)   10,000,000                                
Linda Jenkinson | Management | Amended and Restated 2021 Equity Incentive Plan                                    
Related Party Transaction [Line Items]                                    
Granted (in shares)       4,760,000                            
Linda Jenkinson | Management | 2021 Stock Option Plan                                    
Related Party Transaction [Line Items]                                    
Granted (in shares)       5,240,000                            
Ms. Payne | Management                                    
Related Party Transaction [Line Items]                                    
Granted (in shares)   3,750,000                                
Ms. Payne | Management | Amended and Restated 2021 Equity Incentive Plan                                    
Related Party Transaction [Line Items]                                    
Granted (in shares)       1,790,000                            
Ms. Payne | Management | 2021 Stock Option Plan                                    
Related Party Transaction [Line Items]                                    
Granted (in shares)       1,960,000                            
Mr. Chapman | Management | Amended and Restated 2021 Equity Incentive Plan                                    
Related Party Transaction [Line Items]                                    
Granted (in shares)       7,140,000                            
Mr. Chapman | Management | 2021 Stock Option Plan                                    
Related Party Transaction [Line Items]                                    
Granted (in shares)       7,860,000                            
Exercised (in dollars per share) | $ / shares       $ 1.10                            
Linda Jenkinson, Ms. Payne and Mr. Chapman | Management | 2021 Stock Option Plan                                    
Related Party Transaction [Line Items]                                    
Number of shares available for issuance (in shares)       55,000,000.0                            
Contractual term       10 years                            
Linda Jenkinson, Ms. Payne and Mr. Chapman | Management | 2021 Stock Option Plan | Share-Based Payment Arrangement, Tranche One                                    
Related Party Transaction [Line Items]                                    
Vesting rights percentage       25.00%                            
Vesting period       1 year                            
Linda Jenkinson, Ms. Payne and Mr. Chapman | Management | 2021 Stock Option Plan | Share-Based Payment Arrangement, Tranche Two                                    
Related Party Transaction [Line Items]                                    
Vesting rights percentage       25.00%                            
Vesting period       3 years                            
Vast Holdings, Inc. | Management                                    
Related Party Transaction [Line Items]                                    
Related party transaction, reimbursement cap amounts | $   $ 10,500,000                                
Selling, general and administrative expense | $                     1,900,000   6,200,000          
Accounts payable - trade | $                     500,000   500,000          
Vast Holdings, Inc. | Management | Robert Gregory Kidd                                    
Related Party Transaction [Line Items]                                    
Related party transaction, amount of investment | $                               $ 53,000,000    
Hard Yaka Ventures Management Co LLC | Management                                    
Related Party Transaction [Line Items]                                    
Capital contribution | $                     $ 2,984,840   $ 2,984,840          
[1] Includes approximately $1.9 million and $8.2 million of costs incurred pursuant to service agreements with affiliated entities for the three and nine months ended September 30, 2026, respectively.
[2] Includes approximately $0.6 million payable for costs incurred pursuant to service agreements with affiliated entities as of September 30, 2026. See Note 13.