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Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Cash flows from operating activities:    
Net loss $ (1,925,749) $ (1,653,979)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 14,881 20,694
Stock-based compensation expense 275,425 43,535
Changes in assets and liabilities:    
Grant funds receivable 45,001 (61,821)
Prepaid expenses and other current assets 62,544 49,855
Accounts payable and accrued expenses 486,413 361,695
Total adjustments 884,264 413,958
Net cash used in operating activities (1,041,485) (1,240,021)
Cash flows from investing activities:    
Purchase of property and equipment (4,350)
Net cash used in investing activities (4,350)
Cash flows from financing activities:    
Net proceeds from sale of preferred stock 1,190,000 980,000
Net proceeds from sale of common stock 154,167
Proceeds from issuance of note payable 50,000
Net cash provided by financing activities 1,240,000 1,134,167
Net increase (decrease) in cash and cash equivalents 198,515 (110,204)
Cash and cash equivalents at beginning of period 312,727 454,030
Cash and cash equivalents at end of period $ 511,242 $ 343,826