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BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES - Accounts receivable and allowance for doubtful accounts, Property, plant and equipment, net (Details) - USD ($)
 12 Months Ended
Mar. 31, 2023
Mar. 31, 2022
BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES    
Net loss $ (979,006) $ (349,834)
Maximum spending limit on machinery and equipment 1,500,000  
Accounts receivable and allowance for doubtful accounts $ 22,000 $ 0
Buildings    
BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES    
Estimated useful Lives 30 years  
Machinery and equipment | Maximum    
BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES    
Estimated useful Lives 15 years  
Machinery and equipment | Minimum    
BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES    
Estimated useful Lives 5 years  
Leasehold Improvements | Maximum    
BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES    
Estimated useful Lives 5 years  
Leasehold Improvements | Minimum    
BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES    
Estimated useful Lives 2 years