Quarterly report pursuant to Section 13 or 15(d)

UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

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UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Operating Activities    
Net Loss $ (3,622,085) $ (4,396,192)
Adjustments to reconcile net loss from operations to net cash used in operating activities:    
Common stock issued for services 30,000 0
Stock-based compensation 246,403 12,170
Patent write-offs 0 111,850
Changes in operating working capital items:    
Other receivables (785,000) 400,000
Prepaid expenses and other current assets (217,001) (207,281)
Accounts payable and accrued liabilities 211,655 543,639
Accrued legal settlement costs (3,525,000) 0
Net Cash Used in Operating Activities (7,661,028) (3,535,814)
Investing Activities    
Patents and trademarks (14,655) (69,872)
Net Cash Used in Investing Activities (14,655) (69,872)
Financing Activities    
Net proceeds from issuances of common stock and exercise of stock options 0 2,703,010
Net Cash Provided by Financing Activities 0 2,703,010
Net Decrease in Cash and Cash Equivalents (7,675,683) (902,676)
Cash and Cash Equivalents, Beginning of Period 21,531,665 17,958,989
Cash and Cash Equivalents, End of Period 13,855,982 17,056,313
Supplemental Disclosure of Cash Flow Information:    
Interest paid 0 0
Income taxes paid 0 0
Non-Cash Financing Activities:    
Accumulated preferred stock dividend 380,644 363,760
Conversion of Series A convertible preferred stock to common stock and payment of paid-in-kind dividends to Series A preferred stockholder 17,173 23,032
Payment of accrued liabilities with common stock $ 54,690 $ 0