Quarterly report pursuant to Section 13 or 15(d)

Secured Note and Accounts Receivable (Details)

v3.21.2
Secured Note and Accounts Receivable (Details) - USD ($)
Jul. 31, 2021
Jul. 01, 2021
Apr. 30, 2021
Sep. 30, 2014
Related Party Transaction [Line Items]        
Accounts receivable, before allowance for credit loss, noncurrent       $ 772,793
Accounts receivable, net of allowance $ 0   $ 45,329  
Parent Company        
Related Party Transaction [Line Items]        
Accounts receivable, net of allowance     $ 45,329  
HEMG        
Related Party Transaction [Line Items]        
Proceeds from bankruptcy claims   $ 498,120    
Writeoff of net receivable $ 45,329