Annual report [Section 13 and 15(d), not S-K Item 405]

Fair Value Measurements (Common Stock Warrant Liabilities) (Details)

v3.26.1
Fair Value Measurements (Common Stock Warrant Liabilities) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Common Stock Warrant liabilities at beginning of period $ 214  
Common Stock Warrant liabilities at end of period 1 $ 214
Common Stock Warrant    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Common Stock Warrant liabilities at beginning of period 214 886
Common Stock Warrant liabilities at end of period 1 214
Checkpoint | Common Stock Warrant    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Change in fair value of common stock warrants 108 73
Deconsolidation of common stock warrants (306)  
Avenue | Common Stock Warrant    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Change in fair value of common stock warrants $ (15) (170)
Exercise of common stock warrants   (400)
Urica | Common Stock Warrant    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Change in fair value of common stock warrants   (24)
Exercise of common stock warrants   $ (151)