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Condensed Consolidated Statements of Changes in Stockholders' Equity (Deficit) (Unaudited) - USD ($)
Common Stock
Additional Paid-In Capital
Accumulated Deficit
Total
Balance at Dec. 31, 2016 $ 31 $ 119 $ (266,370) $ (266,220)
Balance, shares at Dec. 31, 2016 5,216,565      
Issuance of stock in connection with intellectual license agreement $ 860 22,555 23,415
Issuance of stock in connection with intellectual license agreement, shares 859,976      
Issuance of restricted stock award $ 215 7,005 7,220
Issuance of restricted stock award, shares 215,453      
Transfer of shares in connection with merger $ 1,573 (1,573)
Transfer of shares in connection with merger, shares 1,573,000      
Par value change in connection with merger $ 5,186 (5,186)
Stock-based compensation 69,574 69,574
Issuance of warrants 61,496 61,496
Issuance of additional warrants in connection with short-term notes modification 117,280 117,280
Forgiveness of subscription receivable 9,050 9,050
Net loss     (5,058,426) (5,058,426)
Balance at Dec. 31, 2017 $ 7,865 280,320 (5,324,796) (5,036,611)
Balance, shares at Dec. 31, 2017 7,864,994      
Balance at Sep. 30, 2017 $ 7,865 162,741 (3,699,438) (3,528,832)
Balance, shares at Sep. 30, 2017 7,864,994      
Issuance of stock in connection with intellectual license agreement 299 299
Issuance of additional warrants in connection with short-term notes modification 117,280 117,280
Net loss (1,625,358) (1,625,358)
Balance at Dec. 31, 2017 $ 7,865 280,320 (5,324,796) (5,036,611)
Balance, shares at Dec. 31, 2017 7,864,994      
Warrant value adjustment related to short-term note modification (1,170) (1,170)
Net loss (1,356,774) (1,356,774)
Balance at Mar. 31, 2018 $ 7,865 279,150 (6,681,570) (6,394,555)
Balance, shares at Mar. 31, 2018 7,864,994      
Balance at Dec. 31, 2017 $ 7,865 280,320 (5,324,796) (5,036,611)
Balance, shares at Dec. 31, 2017 7,864,994      
Issuance of common stock upon short term notes and convertible notes extinguishments $ 1,147 2,348,790 2,349,937
Issuance of common stock upon short term notes and convertible notes extinguishments, shares 1,146,311      
Issuance of warrants and reclassification of warrant liability in connection with short-term notes and convertible notes extinguishments 2,008,796 2,008,796
Issuance of common stock under 2018 private placement $ 445 824,449 824,894
Issuance of common stock under 2018 private placement, shares 445,200      
Issuance of common stock for consulting services $ 200 469,300 469,500
Issuance of common stock for consulting services, shares 200,000      
Stock-based compensation 5,467 5,467
Issuance of warrants under 2019 private placements 288,106 288,106
Issuance costs related to 2019 and 2018 private placements (173,067) (173,067)
Net loss     (5,132,914) (5,132,914)
Balance at Sep. 30, 2018 $ 9,657 6,052,161 (10,457,710) (4,395,892)
Balance, shares at Sep. 30, 2018 9,656,505      
Issuance of common stock for consulting services $ 50 114,950 115,000
Issuance of common stock for consulting services, shares 50,000      
Issuance of common stock under 2018 and 2019 private placements $ 330 601,319 601,649
Issuance of common stock under 2018 and 2019 private placements, shares 330,000      
Issuance of warrants under 2018 and 2019 private placements 223,351 223,351
Issuance costs related to 2018 and 2019 private placements (149,316) (149,316)
Net loss (1,352,824) (1,352,824)
Balance at Dec. 31, 2018 $ 10,037 6,842,465 (11,810,534) (4,958,032)
Balance, shares at Dec. 31, 2018 10,036,505      
Issuance of common stock under 2019 private placement $ 1,744 3,164,640 3,166,384
Issuance of common stock under 2019 private placement, shares 1,743,979      
Issuance of warrants under 2019 private placements 1,193,564 1,193,564
Issuance costs related to 2019 and 2018 private placements (698,777) (698,777)
Issuance of common stock upon conversion of convertible promissory notes $ 839 1,920,881 1,921,720
Issuance of common stock upon conversion of convertible promissory notes, shares 839,179      
Issuance of warrants and reclassification of warrant liability upon conversion of convertible promissory notes 1,565,402 1,565,402
Share-based compensation - employee 30,085 30,085
Share-based compensation - non-employee 16,569 16,569
Exercise of stock options $ 94 3,179 3,273
Exercise of stock options, shares 93,555      
Exercise of warrants $ 231 416,102 416,333
Exercise of warrants, shares 231,296      
Net loss (2,211,890) (2,211,890)
Balance at Mar. 31, 2019 $ 12,945 $ 14,454,110 $ (14,022,424) $ 444,631
Balance, shares at Mar. 31, 2019 12,944,514