Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Cash Flows (Unaudited)

Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Jul. 31, 2020	Jul. 31, 2019
Reconciliation of net loss to net cash used in operating activities:
Net loss	$ (7,851,352)	$ (9,707,591)
Stock option compensation to employees and directors	3,016,305	2,808,910
Stock options and warrants issued to consultants	156,914	139,161
Restricted stock award compensation to employee pursuant to stock incentive plan		1,954,441
Depreciation of property and equipment	38,276	32,990
Loss on disposal of property and equipment	148,084
Amortization of operating lease right-of-use asset	38,317
Amortization of patents		418,750
Impairment in carrying amount of patent assets		418,750
Change in operating assets and liabilities:
Receivables	60,577	305,919
Prepaid expenses and other current assets	(4,870)	45,847
Accounts payable	(246,522)	(14,234)
Accrued expenses	(79,781)	192,672
Operating lease liability	(37,537)
Net cash used in operating activities	(4,761,589)	(3,404,385)
Cash flows from investing activities:
Disbursements to acquire short-term investments in certificates of deposit	(5,510,000)	(2,350,000)
Proceeds from maturities of short-term investments in certificates of deposit	4,720,000	2,250,000
Purchase of property and equipment	(15,791)	(175,457)
Net cash used in investing activities	(805,791)	(275,457)
Cash flows from financing activities:
Net proceeds from sale of common stock in at-the-market offering	7,866,040	4,899,745
Proceeds from sale of common stock pursuant to employee stock purchase plan	15,452	18,560
Proceeds from exercise of stock options	122,270	102,500
Net cash provided by financing activities	8,003,762	5,020,805
Net increase in cash and cash equivalents	2,436,382	1,340,963
Cash and cash equivalents at beginning of period	3,491,625	3,055,890
Cash and cash equivalents at end of period	5,928,007	4,396,853
Supplemental disclosure of non-cash investing and financing activities:
Operating lease right-of-use asset	(106,221)
Operating lease liability	$ 106,299