• Filing Date: 2019-07-11
  • Form Type: 10-K
  • Description: Annual report
v3.19.2
Schedule of Accounts, Notes, Loans and Financing Receivable (Details) - USD ($)
12 Months Ended
Apr. 30, 2019
Apr. 30, 2018
Balance of allowance for doubtful accounts, beginning of year $ 322,638 $ 80,232
Bad debt provision 1,082,440 578,024
Write-off of receivables (785,564) (335,618)
Balance of allowance for doubtful accounts, end of year $ 619,514 $ 322,638