Annual report pursuant to Section 13 and 15(d)

Future lease payment obligations (Details)

v3.22.2
Future lease payment obligations (Details)
Apr. 30, 2022
USD ($)
Leases [Abstract]  
  $ 400,092
  403,878
  304,676
  76,619
  79,300
  6,627
  $ 1,271,192