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 ($)
$ in Thousands
 9 Months Ended
Jul. 31, 2022
Jul. 31, 2021
Reconciliation of net loss to net cash used in operating activities:    
Net loss $ (10,242) $ (9,057)
Stock option compensation to employees and directors 4,928 4,804
Stock options and warrants issued to consultants 546 421
Common stock issued to consultants 72
Gain on sale of equipment (5)
Amortization of operating lease right-of-use asset 31 44
Change in operating assets and liabilities:    
Prepaid expenses and other current assets (400) (119)
Accounts payable 91 (25)
Accrued expenses 103 89
Operating lease liability (28) (45)
Net cash used in operating activities (4,899) (3,893)
Cash flows from investing activities:    
Disbursements to acquire short-term investments (11,159) (10,399)
Proceeds from maturities of short-term investments 10,348 3,640
Proceeds from sale of equipment 35
Net cash used in investing activities (811) (6,724)
Cash flows from financing activities:    
Gross proceeds from sale of common stock in a public offering 22,500
Expenses of the public offering (2,208)
Gross proceeds from sale of common stock in an at-the-market offering 11,175
Expenses of the at-the-market offering (341)
Proceeds from sale of common stock pursuant to employee stock purchase plan 6 3
Proceeds from exercise of stock options 830 293
Net cash provided by financing activities 836 31,422
Net (decrease) increase in cash and cash equivalents (4,874) 20,805
Cash and cash equivalents at beginning of period 29,128 6,417
Cash and cash equivalents at end of period $ 24,254 $ 27,222