v3.26.1
Summary of significant accounting policies (Tables)
6 Months Ended
Jun. 30, 2026
Accounting Policies [Abstract]  
Schedule of disaggregated revenue
                    
   Three Months Ended   Six Months Ended 
   June 30,   June 30, 
   2026   2025   2026   2025 
WiSE CRT System  $2,616   $146   $4,936   $146 
Surgical tool kits   16    4    36    4 
Battery replacements   13    20    35    20 
Sales   2645    170    5007    170 
Less rebates   (8)   -    (8)   - 
Net sales  $2,637   $170   $4,999   $170 
Schedule of deferred revenue
                    
   Three Months Ended   Six Months Ended 
   June 30,   June 30, 
   2026   2025   2026   2025 
Balance, beginning of period  $1,100   $-   $502   $- 
Deferral of revenue   2,721    263    5,661    263 
Recognition of revenue   (2,629)   (166)   (4,971)   (166)
Balance, end of period  $1,192   $97   $1,192   $97 
Schedule of interest income
                    
   Three Months Ended   Six Months Ended 
   June 30,   June 30, 
   2026   2025   2026   2025 
Interest income  $333   $504   $610   $923 
(Amortization of premium) accretion of discount on marketable securities, net   (51)   110    86    324 
Total interest income  $282   $614   $696   $1,247