Quarterly report pursuant to Section 13 or 15(d)

CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical)

v3.22.2.2
CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) - USD ($)
Jul. 31, 2022
Apr. 30, 2022
Jul. 31, 2021
Apr. 30, 2021
Statement of Cash Flows [Abstract]        
Cash and cash equivalents $ 2,374,224 $ 6,482,750 $ 6,554,423  
Restricted cash 6,433,397 6,433,397 3,722,831  
Total cash, cash equivalents and restricted cash $ 8,807,621 $ 12,916,147 $ 10,277,254 $ 13,666,079