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
 3 Months Ended
Jan. 31, 2022
Jan. 31, 2021
Reconciliation of net loss to net cash used in operating activities:    
Net loss $ (3,879) $ (2,232)
Stock option compensation to employees and directors 2,135 875
Stock options and warrants issued to consultants 219 111
Gain on sale of equipment (5)
Amortization of operating lease right-to-use asset 10 14
Change in operating assets and liabilities:    
Prepaid expenses and other current assets (188) (270)
Accounts payable 368 279
Accrued expenses 147 72
Operating lease liability (9) (14)
Net cash used in operating activities (1,197) (1,170)
Cash flows from investing activities:    
Disbursements to acquire short-term investments (3,499) (1,000)
Proceeds from maturities of short-term investments 5,349 1,640
Proceeds from sale of equipment 35
Net cash provided by investing activities 1,850 675
Cash flows from financing activities:    
Net proceeds from sale of common stock in an at-the-market offering 5,957
Proceeds from exercise of stock options 104
Net cash provided by financing activities 6,061
Net increase in cash and cash equivalents 653 5,566
Cash and cash equivalents at beginning of period 29,128 6,417
Cash and cash equivalents at end of period $ 29,781 $ 11,983