Quarterly report pursuant to Section 13 or 15(d)

Warranty Provision (Tables)

v3.19.3
Warranty Provision (Tables)
6 Months Ended
Sep. 30, 2019
Product Warranty Accrual, Balance Sheet Classification [Abstract]  
Schedule of warranty provision
    $  
       
Balance, March 31, 2018      
         
Provision for warranty     121,345  
         
Balance, March 31, 2019     121,345  
         
Provision for warranty     1,238,653  
         
Balance, September 30, 2019     1,359,998