Quarterly report pursuant to Section 13 or 15(d)

SIGNIFICANT ACCOUNTING POLICIES (Details)

v3.19.3
SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($)
6 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Mar. 31, 2019
SIGNIFICANT ACCOUNTING POLICIES      
Standard and Extended Product Warranty Accrual $ 165,207   $ 143,500
Product Warranty Expense $ 26,912 $ 10,108