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Concentration of risk (Details Narrative) - USD ($)
9 Months Ended 12 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Jun. 30, 2021
Concentration Risk [Line Items]      
Cash and Cash Equivalents, at Carrying Value $ 2,641,584   $ 6,651,705
Cash, Uninsured Amount $ 2,000,000.0   $ 5,400,000
Cost of Sales [Member] | Product Concentration Risk [Member] | Two Suppliers [Member]      
Concentration Risk [Line Items]      
Concentration risk percent 27.00% 28.00%  
Cost of Sales [Member] | Product Concentration Risk [Member] | One Suppliers [Member]      
Concentration Risk [Line Items]      
Concentration risk percent 19.00% 17.00%  
Cost of Sales [Member] | Product Concentration Risk [Member] | Another Suppliers [Member]      
Concentration Risk [Line Items]      
Concentration risk percent 8.00% 11.00%  
Accounts Payable [Member] | Product Concentration Risk [Member] | Three Supplier [Member]      
Concentration Risk [Line Items]      
Concentration risk percent 44.00%    
Accounts Payable [Member] | Product Concentration Risk [Member] | One Supplier [Member]      
Concentration Risk [Line Items]      
Concentration risk percent 20.00%   11.00%
Accounts Payable [Member] | Product Concentration Risk [Member] | Two Supplier [Member]      
Concentration Risk [Line Items]      
Concentration risk percent 13.00%    
Accounts Payable [Member] | Product Concentration Risk [Member] | Another Supplier [Member]      
Concentration Risk [Line Items]      
Concentration risk percent 11.00%   10.00%
Amazon Vendor And Amazon Seller [Member] | Revenue Benchmark [Member] | Customer Concentration Risk [Member]      
Concentration Risk [Line Items]      
Concentration risk percent 89.00% 78.00%  
Amazon Vendor And Amazon Seller [Member] | Accounts Receivable [Member] | Customer Concentration Risk [Member]      
Concentration Risk [Line Items]      
Concentration risk percent 92.00% 98.00%