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Statements of Cash Flows - USD ($)
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Cash Flows From Operating Activities    
Net loss $ (5,129,987) $ (3,533,443)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 25,466 12,802
Stock-based compensation 412,312 2,690
Changes in operating assets and liabilities:    
Prepaid expenses and other current assets (34,814) 310,498
Accounts payable (55,647) 55,509
Accrued expenses and other current liabilities 51,560 (51,598)
Net Cash Used In Operating Activities (4,731,110) (3,203,542)
Cash Flows From Investing Activities    
Purchases of property and equipment (10,234) (43,119)
Net Cash Used In Investing Activities (10,234) (43,119)
Cash Flows From Financing Activities    
Payment of initial public offering costs (195,700) 0
Proceeds from sale of warrant 431,574 0
Net Cash Provided By Financing Activities 6,603,567 4,141,338
Net Increase in Cash 1,862,223 894,677
Cash - Beginning of Period 3,387,288 2,492,611
Cash - End of Period 5,249,511 3,387,288
Supplemental Disclosure of Non-Cash Financing Activities    
Accrual of intitial public offering costs 133,000 0
Conversion of convertible preferred stock into common stock 30 0
Series A-2 Convertible Preferred Stock [Member]    
Cash Flows From Operating Activities    
Net loss 0 0
Cash Flows From Financing Activities    
Proceeds from sale of Convertible Preferred Stock 0 4,141,338
Series B Convertible Preferred Stock [Member]    
Cash Flows From Operating Activities    
Net loss 0 0
Cash Flows From Financing Activities    
Proceeds from sale of Convertible Preferred Stock 6,409,651 0
Payment of Series B Convertible Preferred Stock issuance costs $ (41,958) $ 0