Quarterly report pursuant to Section 13 or 15(d)

Warranty Provision (Details)

v3.19.3.a.u2
Warranty Provision (Details) - USD ($)
3 Months Ended 9 Months Ended 12 Months Ended
Dec. 31, 2019
Dec. 31, 2019
Mar. 31, 2019
Product Warranty Accrual, Balance Sheet Classification [Abstract]      
Balance, beginning of year   $ 121,345
Provision for warranty $ 1,356,422 2,711,213 121,345
Warranty related costs   (458,390)  
Balance, end of year $ 2,374,168 $ 2,374,168 $ 121,345