Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Cash Flows (Unaudited)

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Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
 3 Months Ended 9 Months Ended
Jul. 31, 2021
Jul. 31, 2020
Jul. 31, 2021
Jul. 31, 2021
Jul. 31, 2020
Reconciliation of net loss to net cash used in operating activities:          
Net loss $ (4,387,610) $ (2,576,787)   $ (9,056,876) $ (7,851,352)
Stock option compensation to employees and directors       4,803,515 3,016,305
Stock options and warrants issued to consultants       421,182 156,914
Depreciation of property and equipment       38,276
Loss on disposal of property and equipment       148,084
Gain on sale of equipment       (5,447)
Amortization of operating lease right-of-use asset       43,929 38,317
Change in operating assets and liabilities:          
Receivables       60,577
Prepaid expenses and other current assets       (118,443) (4,870)
Accounts payable       (24,635) (246,522)
Accrued expenses       88,699 (79,781)
Operating lease liability       (44,631) (37,537)
Net cash used in operating activities       (3,892,707) (4,761,589)
Cash flows from investing activities:          
Disbursements to acquire short-term investments       (10,399,784) (5,510,000)
Proceeds from maturities of short-term investments       3,640,000 4,720,000
Purchase of property and equipment       (15,791)
Proceeds from sale of equipment       35,447
Net cash used in investing activities       (6,724,337) (805,791)
Cash flows from financing activities:          
Gross proceeds from sale of common stock in a public offering       22,500,004
Expenses of the public offering     $ (2,208,150) (2,208,150)
Gross proceeds from sale of common stock in an at-the-market offering       11,174,490 8,180,112
Expenses of the at-the-market offering       (340,775) (314,072)
Proceeds from sale of common stock pursuant to employee stock purchase plan       3,000 15,452
Proceeds from exercise of stock options       293,604 122,270
Net cash provided by financing activities       31,422,173 8,003,762
Net increase in cash and cash equivalents       20,805,129 2,436,382
Cash and cash equivalents at beginning of period       6,417,061 3,491,625
Cash and cash equivalents at end of period $ 27,222,190 $ 5,928,007 $ 27,222,190 27,222,190 5,928,007
Supplemental cash flow information:          
Cash proceeds from interest income       1,675 38,930
Supplemental disclosure of non-cash financing activity:          
Fair value of warrants issued in connection with the public offering       $ 1,040,700