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1. THE COMPANY AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - customer
3 Months Ended 6 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Accounts Receivable        
Concentration of credit risk        
Number of customers     2  
Accounts Receivable | Customer Concentration Risk | Major Customer One        
Concentration of credit risk        
Percentage attributable to customers     45.00%  
Accounts Receivable | Customer Concentration Risk | Major Customer Two        
Concentration of credit risk        
Percentage attributable to customers     30.00%  
Sales Revenue, Net | Customer Concentration Risk | Nokia        
Concentration of credit risk        
Percentage attributable to customers 3.00% 18.00% 6.00% 20.00%