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Summary of Significant Accounting Policies (Details 7) - USD ($)
12 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Net revenue $ 7,537,834 $ 7,670,206
Cost of revenue 3,632,731 3,666,590
Gross profit 3,905,103 4,003,616
Operating income (loss) (61,641) (156,360)
Depreciation and amortization 88,955  
Capital expenditures 117,420  
Equipment and patents, net 479,085  
Product [Member]    
Net revenue 7,010,657 7,670,206
Cost of revenue 3,375,307 3,666,590
Gross profit 3,635,350  
Operating income (loss) (357,248)  
Depreciation and amortization 88,955  
Capital expenditures 117,420  
Equipment and patents, net 479,085  
Service [Member]    
Net revenue 527,177 0
Cost of revenue 257,424 $ 0
Gross profit 269,753  
Operating income (loss) 269,753  
Depreciation and amortization 0  
Capital expenditures 0  
Equipment and patents, net $ 0