v3.26.3
Schedule of Revenue disaggregated by type of product and service (Details) - USD ($)
$ in Thousands
3 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Disaggregation of Revenue [Line Items]    
Net Sales (Product and Service Disaggregation) $ 9,658 $ 4,830
Lead Ingots [Member]    
Disaggregation of Revenue [Line Items]    
Net Sales (Product and Service Disaggregation) 5,956 3,089
Black Mass [Member]    
Disaggregation of Revenue [Line Items]    
Net Sales (Product and Service Disaggregation) 3,227 1,438
Lithium Batteries [Member]    
Disaggregation of Revenue [Line Items]    
Net Sales (Product and Service Disaggregation) 293 278
Lithium Carbonate [Member]    
Disaggregation of Revenue [Line Items]    
Net Sales (Product and Service Disaggregation) 0 23
Copper Scrap [Member]    
Disaggregation of Revenue [Line Items]    
Net Sales (Product and Service Disaggregation) 37 2
Licensing Services [Member]    
Disaggregation of Revenue [Line Items]    
Net Sales (Product and Service Disaggregation) 44 0
Engineering Service [Member]    
Disaggregation of Revenue [Line Items]    
Net Sales (Product and Service Disaggregation) $ 101 $ 0