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13. GOVERNMENT AGREEMENTS (Details) - Small Business Innovation Research program - USD ($)
3 Months Ended 6 Months Ended
Sep. 30, 2023
Sep. 30, 2023
Jun. 30, 2023
Government Assistance [Line Items]      
Milestone payments receivable     $ 1,250,000
Amount recognized $ 260,000 $ 260,000  
Government Assistance, Statement of Income or Comprehensive Income [Extensible Enumeration] Research and Development Expense Research and Development Expense  
Total milestone payments received $ 297,000 $ 297,000