v3.19.3.a.u2

Condensed Statements of Operations and Comprehensive Loss (Unaudited) - USD ($) | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018 | Dec. 31, 2018 | Dec. 31, 2017
Operating costs and expenses: |  |  |  |  |  |
Research and development | $ 1,036,689 | $ 3,459,681 | $ 6,044,580 | $ 6,180,607 | $ 11,366,117 | $ 2,874,184
Patent costs | 20,867 | 59,068 | 139,436 | 170,418 | 204,396 | 250,372
General and administrative | 1,122,825 | 1,144,750 | 3,621,888 | 3,957,545 | 5,425,033 | 4,777,902
Total operating costs and expenses | 2,180,381 | 4,663,499 | 9,805,904 | 10,308,570 | 16,995,546 | 7,902,458
Operating loss | (2,180,381) | (4,663,499) | (9,805,904) | (10,308,570) | (16,995,546) | (7,902,458)
Other income (expense): |  |  |  |  |  |
Interest income | 13,172 | 17,237 | 117,777 | 64,965 | 126,835 | 40,227
Other expense |  |  |  |  |  | (1,627)
Total other income | 13,172 | 17,237 | 117,777 | 64,965 | 126,835 | 38,600
Net loss | (2,167,209) | (4,646,262) | (9,688,127) | (10,243,605) | (16,868,711) | (7,863,858)
Other comprehensive income: |  |  |  |  |  |
Unrealized gain (loss) on debt securities |  |  | 923 |  | (923) |
Comprehensive loss | (2,167,209) | (4,646,262) | (9,687,204) | (10,243,605) | (16,869,634) | (7,863,858)
Net loss | $ (2,167,209) | $ (4,646,262) | $ (9,688,127) | $ (10,243,605) | (16,868,711) | (7,863,858)
Deemed dividend of preferred stock |  |  |  |  | (2,537,844) | (3,111,020)
Net loss applicable to common stockholders |  |  |  |  | $ (19,406,555) | $ (10,974,878)
Net loss per common share - basic and diluted | $ (0.23) | $ (0.86) | $ (1.09) | $ (2.00) | $ (3.66) | $ (4.95)
Weighted average common shares outstanding - basic and diluted | 9,507,636 | 5,373,769 | 8,873,947 | 5,129,351 | 5,304,667 | 2,214,951

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