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Summary of Significant Accounting Policies (Details) - Deferred Revenue, by Arrangement, Disclosure
 6 Months Ended
Sep. 30, 2020
USD ($)
Deferred Revenue, by Arrangement, Disclosure [Abstract]  
Deferred revenues related to extended warranties $ 413,554
Additional extended warranties 19,184
Revenue recognized (44,280)
Deferred revenues related to extended warranties $ 388,458