v3.25.3
Subsequent Events (Q2) (Details)
$ in Thousands
1 Months Ended 3 Months Ended 6 Months Ended
Aug. 14, 2025
USD ($)
shares
Aug. 12, 2025
USD ($)
lender
shares
Jul. 21, 2025
shares
Feb. 03, 2025
shares
Oct. 02, 2024
USD ($)
shares
Aug. 14, 2025
USD ($)
shares
Jun. 30, 2025
USD ($)
shares
Dec. 31, 2024
USD ($)
Jun. 30, 2025
USD ($)
shares
Jul. 19, 2025
shares
Jul. 01, 2025
USD ($)
Subsequent Event [Line Items]                      
Conversion of preferred stock to common stock               $ 2,982      
Accelerated vesting of stock-based compensation awards (in shares) | shares         203,651            
Accelerated vesting of stock-based compensation awards, expense         $ 223            
Convertible debentures | Convertible debt                      
Subsequent Event [Line Items]                      
Conversion of preferred stock to common stock (in shares) | shares             473,825   473,825    
Debt instrument, face amount, converted             $ 2,335   $ 2,335    
Debt instrument, payment premium, converted             $ 117   $ 117    
Debt, interest rate             0.00%   0.00%    
Term Convertible Note with related party | Convertible debt                      
Subsequent Event [Line Items]                      
Notes principal             $ 4,250   $ 4,250    
Subsequent event                      
Subsequent Event [Line Items]                      
Stock issued for services (in shares) | shares       85,471   5,000          
Subsequent event | Accelsius Units Warrants                      
Subsequent Event [Line Items]                      
Number of units issuable for each warrant issued upon debt conversion (in shares) | shares   0.5                  
Exercise price of warrants issuable upon debt conversion, percentage of price of equity funding units   120.00%                  
Subsequent event | Accelcius Subsidiary Equity Plan                      
Subsequent Event [Line Items]                      
Number of units available to be issued under stock-based compensation plan (in shares) | shares                   4,565,000  
Additional shares authorized under stock-based compensation plan (in shares) | shares     915,000                
Accelerated vesting of stock-based compensation awards (in shares) | shares 46,875                    
Accelerated vesting of stock-based compensation awards, expense $ 189                    
Subsequent event | Convertible debentures | Convertible debt                      
Subsequent Event [Line Items]                      
Conversion of preferred stock to common stock (in shares) | shares           471,812          
Conversion of preferred stock to common stock           $ 2,500          
Debt instrument, face amount, converted           2,381          
Debt instrument, payment premium, converted           $ 119          
Subsequent event | Term Convertible Note with related party | Convertible debt                      
Subsequent Event [Line Items]                      
Notes principal                     $ 5,000
Subsequent event | Unsecured convertible promissory notes | Convertible debt                      
Subsequent Event [Line Items]                      
Notes principal   $ 2,100                  
Debt, number of parties | lender   2                  
Debt, interest rate   6.50%                  
Debt instrument, term after which repayable on demand   2 years                  
Debt, conversion price basis, minimum funding amount   $ 5,000                  
Debt, conversion price, percentage of funding round price   80.00%