v3.26.1
Debt - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Feb. 26, 2026
Sep. 25, 2025
Apr. 01, 2025
Jan. 09, 2024
Dec. 15, 2023
Mar. 07, 2023
Mar. 31, 2026
Dec. 31, 2025
Mar. 31, 2025
Sep. 30, 2021
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Mar. 12, 2026
Jan. 03, 2025
Jul. 10, 2024
May 31, 2024
May 19, 2023
Debt Instrument [Line Items]                                    
Aggregate principal amount of initial loan advance               $ 1,000     $ 1,000              
Debt instrument, interest rate terms                     Any outstanding principal on the Term Loan Advances will accrue interest at a floating rate equal to the greater of (i) 9.50% per annum and (ii) the sum of 6.25% plus the prime rate, as published in The Wall Street Journal. As of December 31, 2025, 2024 and 2023, the interest rate was 13.00%, 13.75% and 14.75%, respectively.              
Loan, principal outstanding             $ 0 1,000     $ 1,000              
Loan, unamortized debt discount               $ 0     $ 0              
Loan, interest expense             $ 100   $ 500                  
Warrant exercise price per share             $ 0.65 $ 0.88     $ 0.88              
Gain (loss) on extinguishment of debt             $ 56   $ 0                  
Outstanding principal value $ 0                                  
Pre-Funded Warrants 185,527           5,009,321 3,525,094     3,525,094 93,266 36,766 371,057        
Outstanding debt                           $ 2,000        
Accrued interest $ 1,000                                  
Maximum [Member]                                    
Debt Instrument [Line Items]                                    
Waive Additional Accrued and Unpaid Interest Related $ 100             $ 100     $ 100              
Royalty Agreement [Member]                                    
Debt Instrument [Line Items]                                    
Revenue-based payment percentage                     1.00%              
Coastlands Securities Agreement [Member]                                    
Debt Instrument [Line Items]                                    
Aggregate principal amount of initial loan advance   $ 9,500                                
Warrant exercise price per share $ 0.11 $ 0.11                                
Bridge Loan   $ 500                                
Debt coverted into equity   $ 8,500                                
Pre-Funded Warrants   1,576,542                                
Outstanding debt $ 1,000 $ 1,000                                
Accrued interest   1,000                                
Waive Additional Accrued and Unpaid Interest Related   $ 1,000                                
Conversion Price $ 5.39 $ 5.39                                
Hercules Term Loan Agreement [Member]                                    
Debt Instrument [Line Items]                                    
Loan, floating interest rate                     9.50%              
Loan, interest rate               13.00%     13.00% 13.75% 14.75%          
Loan, maturity date                     Apr. 01, 2025              
Loan, principal amount percentage                   6.55%                
Gain (loss) on extinguishment of debt                         $ 400          
Outstanding principal value         $ 1,000                          
Qualified cash balance         1,050                         $ 2,250
Qualified cash reverted         1,050                         $ 2,250
Repayment of Principal               $ 500                    
Hercules Term Loan Agreement [Member] | Prime Rate [Member]                                    
Debt Instrument [Line Items]                                    
Loan, floating interest rate                     6.25%              
Hercules Term Loan Agreement [Member] | Minimum [Member]                                    
Debt Instrument [Line Items]                                    
Outstanding principal value           $ 7,500                        
Qualified cash balance           10,000                        
Hercules Term Loan Agreement [Member] | Maximum [Member]                                    
Debt Instrument [Line Items]                                    
Aggregate principal amount of initial loan advance                   $ 30,000                
Outstanding principal value           12,500                        
Qualified cash balance           $ 2,250                        
Hercules Term Loan Agreement [Member] | Tranche 1 Advance [Member]                                    
Debt Instrument [Line Items]                                    
Aggregate principal amount of initial loan advance                   12,500                
Hercules Term Loan Agreement [Member] | Tranche 2 Advance [Member]                                    
Debt Instrument [Line Items]                                    
Aggregate principal amount of initial loan advance                   7,500                
Hercules Term Loan Agreement [Member] | Tranche 3 Advance [Member]                                    
Debt Instrument [Line Items]                                    
Aggregate principal amount of initial loan advance                   $ 10,000                
Hercules Term Loan Agreement [Member] | Term Loan Advances [Member]                                    
Debt Instrument [Line Items]                                    
Outstanding principal value         $ 3,100                          
Domicilium Term Loan [Member]                                    
Debt Instrument [Line Items]                                    
Aggregate principal amount of initial loan advance                               $ 3,200    
Imputed interest               13.75% 13.75%   13.75%              
Plus Prime Rate               6.25% 6.25%   6.25%              
Debt conversion amount     $ 7,000                              
Bridge Loan                                 $ 300  
Milestone Payments                             $ 500      
Domicilium Term Loan [Member] | Maximum [Member]                                    
Debt Instrument [Line Items]                                    
Waive Additional Accrued and Unpaid Interest Related               $ 100     $ 100              
Domicilium Term Loan [Member] | Tranche 1 Advance [Member]                                    
Debt Instrument [Line Items]                                    
Outstanding principal value       $ 2,900                            
Domicilium Term Loan [Member] | Tranche 1A Advance [Member]                                    
Debt Instrument [Line Items]                                    
Outstanding principal value       900                            
Domicilium Term Loan [Member] | Tranche 1B Advance [Member]                                    
Debt Instrument [Line Items]                                    
Outstanding principal value       2,000                            
Debt amortization charge       500                            
Domicilium Term Loan [Member] | Tranche 2 Advance [Member]                                    
Debt Instrument [Line Items]                                    
Aggregate principal amount of initial loan advance                               $ 3,200    
Domicilium Term Loan [Member] | Bridge Loans [Member]                                    
Debt Instrument [Line Items]                                    
Aggregate principal amount of initial loan advance               $ 500     $ 500              
Loan, floating interest rate                     9.50%              
Loan, interest rate               13.00%     13.00% 13.75% 14.75%          
Loan, principal outstanding               $ 1,000     $ 1,000 $ 6,700 $ 3,900          
Loan, unamortized debt discount                   200 100          
Loan, interest expense                     $ 1,000 1,100 $ 1,200          
Debt conversion amount     $ 100                              
Domicilium Term Loan [Member] | Bridge Loans [Member] | Prime Rate [Member]                                    
Debt Instrument [Line Items]                                    
Loan, floating interest rate                     6.25%              
Domicilium Term Loan [Member] | 2024 Bridge Loans [Member]                                    
Debt Instrument [Line Items]                                    
Aggregate principal amount of initial loan advance                       $ 300            
Debt interest rate                       3.00%            
Domicilium Term Loan [Member] | 2025 Bridge Loans [Member]                                    
Debt Instrument [Line Items]                                    
Aggregate principal amount of initial loan advance               3,400 $ 400   $ 3,400              
Loan, interest expense               100     200              
Company Received Cash               2,900     2,900              
Debt coverted into equity                     200              
Repayment of Principal               $ 300                    
Debt Investment and Equity Issuance [Member]                                    
Debt Instrument [Line Items]                                    
Equity issuance of debt discount       $ 900                            
Interest Expense, Debt, Amortization                     $ 200 $ 700