v3.26.3
Convertible notes (Tables)
 3 Months Ended
Jun. 30, 2026
Related Party Transaction [Line Items]  
Schedule of Convertible notes
  June 30,
2026		   March 31,
2026		 
Convertible notes          
Ocean Fund Holdings Pte. Ltd. (see (a) below)  $—   $31,962 
AC Fund I, a series of Climate Angels, LP (see (b) below)   —    1,298 
Total convertible notes  $—   $33,260 
Ocean Fund Holdings Pte Ltd [Member]  
Related Party Transaction [Line Items]  
Schedule of convertible debt
   Three months ended June 30,
2026		   Three months ended June 30,
2025		 
Principal of convertible note at beginning of the period  $5,000   $5,000 
Issuance of convertible notes   —    — 
Conversion into equity shares   (5,000)     
Principal of convertible notes at end of the period   —    5,000 
           
Conversion feature at beginning of the period   25,147    24,372 
Fair value gain on embedded derivative   (2,008)   — 
Conversion into common stock   (23,139)   — 
Conversion feature at end of the period   —    24,372 
           
Debt component at beginning of the period   6,815    6,385 
Conversion into common stock   (6,959)   — 
Accrued interest expense   144    108 
Debt component at end of the period   —    6,493 
Total convertible debt at end of the period  $—   $30,865 
Schedule of fair value of the embedded derivatives
   June 30,
2026		   March 31,
2026		 
Continuous risk-free rate   N.A.    N.A. 
Life of derivative   —      0.1 years 
Volatility   N.A.    N.A. 
Share price  $183.60   $196.50 
AC Fund I, a series of Climate Angels, LP [Member]  
Related Party Transaction [Line Items]  
Schedule of convertible debt
    Three months ended June 30,
2026		   Three months ended June 30,
2025		 
Principal of convertible note at beginning of the period  $151   $151 
Issuance of convertible notes   —    — 
Conversion into common stock   (151)     
Principal of convertible notes at end of the period   —    151 
           
Conversion feature at beginning of the period   1,097    1,012 
Fair value gain on embedded derivative   (88)   — 
Conversion into common stock   (1,009)   — 
Conversion feature at end of the period   —    1,012 
           
Debt component at beginning of the period   201    189 
Conversion into common stock   (205)   — 
Accrued interest expense   4    3 
Debt component at end of the period   —    192 
Total convertible debt at end of the period  $—   $1,204 
Schedule of fair value of the embedded derivatives
Schedule of fair value of the embedded derivatives    June 30,
2026		   March 31,
2026		 
Continuous risk-free rate   NA    NA 
Life of derivative   0.2 years    0.1 years 
Volatility   NA    NA 
Share price  $183.60   $196.50