Annual report pursuant to Section 13 and 15(d)

Statements of Cash Flows

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Statements of Cash Flows - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Cash flows from operating activities:    
Net loss $ (15,566,003) $ (9,914,141)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 62,622 30,110
Stock issued as compensation to non-employee directors 24,320
Stock-based compensation expense 552,997 996,038
Stock issued in exchange for services 12,001 12,000
Changes in operating assets and liabilities:    
Prepaid expenses and other current assets 1,427,481 (453,456)
Accounts payable and accrued expenses 498,059 225,312
Net cash used in operating activities (13,012,843) (9,079,817)
Cash flows from investing activities:    
Purchase of property and equipment (25,214) (124,727)
Net cash used by investing activities (25,214) (124,727)
Cash flows from financing activities:    
Payments on short-term notes payable (252,926) (200,755)
Net proceeds from issuance of common stock, convertible preferred stock, and warrants 11,350,676 12,431,629
Proceeds from issuance of common stock for warrant exercise 9,505,501
Net proceeds from issuance of common stock and warrants 1,510,327
Net cash provided by financing activities 11,097,750 23,246,702
Net (decrease) increase in cash and cash equivalents (1,940,307) 14,042,158
Cash and cash equivalents at beginning of period 20,208,301 6,166,143
Cash and cash equivalents at end of period 18,267,994 20,208,301
Supplemental disclosure of cash flow information:    
Interest paid 7,300 5,786
Non-cash investing and financing activities:    
Borrowings under short term notes payable for prepaid expense 272,577 244,490
Par value of restricted shares issued 16
Stock dividend on Series C preferred stock 413,214 58,670
Deemed dividend on Series D preferred stock 1,412,041
Par value of common stock issued in exchange for services 25 25
Series A Preferred Stock [Member]    
Non-cash investing and financing activities:    
Par value of common stock issued in connection with stock conversion 259
Conversion of preferred stock into common stock 268,096
Series D Preferred Stock [Member]    
Non-cash investing and financing activities:    
Par value of common stock issued in connection with stock conversion 9,364
Conversion of preferred stock into common stock $ 4,464,107