XML 19 R6.htm IDEA: XBRL DOCUMENT v3.21.2
STATEMENTS OF CASH FLOW (UNAUDITED) - USD ($)
6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
CASH FLOWS FROM OPERATING ACTIVITIES    
Net loss $ (6,274,529) $ (3,491,102)
Adjustment to reconcile net loss to net cash used in operating activities    
Warrants issued for services 10,242 50,677
Stock options issued for services 528,249 354,958
Cashless option exercise 1,317,223
Common stock issued for services and fees 1,333,628 62,958
Depreciation and amortization of patents 417,414 396,101
Paycheck Protection Program loan forgiveness (410,700)
(Increase) decrease in assets    
Prepaid expenses and other current assets 134,668 (183,862)
(Decrease) increase in liabilities    
Accounts payable (34,357) 48,430
Accounts payable and accrued expenses- related parties 22,194 60,455
Deferred lease liability (20,889) (20,890)
Paycheck Protection Program loan 410,700
Accrued expenses (15,022) (32,626)
Net cash used in operating activities (2,991,879) (2,344,201)
CASH FLOWS FROM INVESTING ACTIVITIES    
Cost of intangibles (18,221) (29,101)
Purchase of property and equipment (636,478) (9,877)
Net cash used in investing activities (654,699) (38,978)
CASH FLOWS FROM FINANCING ACTIVITIES    
Exercise of options and warrants 746,750
Cashless option exercise tax payments (453,385)  
Issuance of common stock, institutional investor 13,973,249 2,761,926
Repayment of equipment purchase payable (13,107) (392,778)
Net cash provided by financing activities 14,253,507 2,369,148
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS 10,606,929 (14,031)
CASH AND CASH EQUIVALENTS - BEGINNING OF PERIOD 3,306,590 2,236,344
CASH AND CASH EQUIVALENTS - END OF PERIOD $ 13,913,519 $ 2,222,313