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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

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