ÌÒÖ­Ó°Ôº

Quarterly report pursuant to Section 13 or 15(d)

CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical)

v3.21.2
CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) - USD ($)
Jul. 31, 2021
Apr. 30, 2021
Jul. 31, 2020
Apr. 30, 2020
Statement of Cash Flows [Abstract] Ìý Ìý Ìý Ìý
Cash and cash equivalents $ 6,554,423 $ 8,513,290 $ 15,899,293 Ìý
Restricted cash 3,722,831 5,152,789 3,060,269 Ìý
Total cash, cash equivalents and restricted cash $ 10,277,254 $ 13,666,079 $ 18,959,562 $ 17,906,765