v3.25.2
Subsequent Events - Purchase of Shares by Medtronic and Loan Agreement with Medtronic and Amendment of Exclusive License and Collaboration Agreement (Details) - Subsequent Events - USD ($)
$ / shares in Units, $ in Millions
Aug. 04, 2025
Jul. 31, 2025
Apr. 27, 2026
Underwritten public offering      
Subsequent Events      
Aggregate gross proceeds from common stock $ 40.0    
Share Price $ 2.75    
Maximum additional shares to be purchased 2,182,500    
Medtronic      
Subsequent Events      
Shares issued (in shares) 4,077,427    
Share Price $ 2.75    
Medtronic | Stock Purchase Agreements      
Subsequent Events      
Maximum additional shares to be purchased 132,282    
Medtronic | Underwritten public offering      
Subsequent Events      
Maximum additional shares to be purchased 2,182,500    
Loan Agreement | Medtronic | Secured Subordinated Convertible Promissory Note (the "Notes")      
Subsequent Events      
Debt original principal amount     $ 20.0
Interest rate stated (as a percent)   11.00%  
Maturing or Repayment date of the Note   Apr. 27, 2031  
Additional debt default interest rate (%)   2.00%  
Loan Agreement | Medtronic | Secured Subordinated Convertible Promissory Note (the "Notes") | FDA approval of a Medtronic device incorporating AVIM is achieved prior to the Repayment Date      
Subsequent Events      
Debt extinguishment, percentage of revenue share amount (%)   15.00%  
Debt extinguishment, Revenue Share Credit payments   $ 40.0