v3.25.4
Overview (Details)
$ in Thousands, shares in Millions
 12 Months Ended 27 Months Ended
Dec. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Dec. 31, 2025
USD ($)
Oct. 23, 2024
shares
Apr. 30, 2023
ft²
Business Combination, Consideration Transferred, Equity Interest [Line Items]          
Cash and cash equivalents $ 90,465 $ 55,155 $ 90,465    
Proceeds from issuance of common stock upon exercise of stock warrants net of issuance costs 2,300        
Net loss (44,024) (44,671)      
Accumulated deficit (218,358) $ (174,334) (218,358)    
Leased premises (square feet) | ft²         774,000
Amprius Holdings          
Business Combination, Consideration Transferred, Equity Interest [Line Items]          
Common stock voluntarily liquidated and dissolved (in shares) | shares       65.2  
Pro rata basis of common stock (in shares)       58.60%  
Common stock voluntarily liquidated and dissolved (as percent) | shares       57.2  
Common stock reimbursed (in shares) | shares       5.5  
At Market Issuance Sales Agreement          
Business Combination, Consideration Transferred, Equity Interest [Line Items]          
Proceeds from the sale of shares of common stock $ 65,300   $ 100,000