Quarterly report pursuant to Section 13 or 15(d)

Statements of Changes in Stockholders' Equity (Deficit) (Unaudited)

v3.20.2
Statements of Changes in Stockholders' Equity (Deficit) (Unaudited) - USD ($)
Series C Preferred Stock [Member]
Series D Preferred Stock [Member]
Common Stock [Member]
Additional Paid-in Capital [Member]
Accumulated Deficit [Member]
Total
Balance at Dec. 31, 2018 $ 99 $ 20,152,995 $ (39,112,401) $ (18,959,307)
Balance, shares at Dec. 31, 2018 987,087      
Issuance of common stock upon exercise of Series A Warrants, net of cost $ 4 2,172,676 2,172,680
Issuance of common stock upon exercise of Series A Warrants, net of cost, shares 42,412      
Issuance of common stock as inducement to exercise Series A Warrants $ 5 (5) 0
Issuance of common stock as inducement to exercise Series A Warrants, shares 50,894      
Issuance of common stock upon exercise of Series B warrants $ 36 5,635,733 5,635,769
Issuance of common stock upon exercise of Series B warrants, shares 362,905      
Issuance of common stock upon exercise of Placement Agent Warrants 16,818 16,818
Issuance of common stock upon exercise of Placement Agent Warrants, shares 400      
Stock based compensation expense 105,642 105,642
Net loss 500,213 500,213
Balance at Mar. 31, 2019 $ 144 28,083,859 (38,612,188) (10,528,185)
Balance, shares at Mar. 31, 2019 1,443,698      
Balance at Dec. 31, 2018 $ 99 20,152,995 (39,112,401) (18,959,307)
Balance, shares at Dec. 31, 2018 987,087      
Net loss           507,635
Balance at Jun. 30, 2019 $ 231 39,592,380 (38,604,766) 987,845
Balance, shares at Jun. 30, 2019 4,268 2,318,693      
Balance at Mar. 31, 2019 $ 144 28,083,859 (38,612,188) (10,528,185)
Balance, shares at Mar. 31, 2019 1,443,698      
Issuance of common stock upon exercise of Series B warrants $ 87 7,733,376 7,733,463
Issuance of common stock upon exercise of Series B warrants, shares 874,995      
Stock based compensation expense 104,121 104,121
Issuance of Series C preferred stock upon exchange of Series A and Series B warrants 3,671,024 3,671,024
Issuance of Series C preferred stock upon exchange of Series A and Series B warrants, shares 4,268          
Net loss 7,422 7,422
Balance at Jun. 30, 2019 $ 231 39,592,380 (38,604,766) 987,845
Balance, shares at Jun. 30, 2019 4,268 2,318,693      
Balance at Dec. 31, 2019 $ 4,816,485 $ 330 41,823,048 (43,413,370) 3,226,493
Balance, shares at Dec. 31, 2019 1,268 5,775 3,300,015      
Stock based compensation expense 96,490 96,490
Redemption of Series D Preferred Stock $ (1,844,860) (1,295,294) (3,140,154)
Redemption of Series D Preferred Stock, shares (2,212)      
Issuance of common stock upon Series C preferred converstion $ 13 (13)
Issuance of common stock upon Series C preferred converstion, shares (1,268) 126,800      
Issuance of common stock upon conversion of convertible note payable $ 20 (186,171) (186,151)
Issuance of common stock upon conversion of convertible note payable, shares 200,000      
Issuance of common stock and warrants, net of issuance costs $ 495 9,388,245 9,388,740
Issuance of common stock and warrants, net of issuance costs, shares 4,945,000      
Issuance of common stock upon exercise of warrants $ 241 (241)
Issuance of common stock upon exercise of warrants, shares 2,407,953      
Net loss (3,754,659) (3,754,659)
Balance at Mar. 31, 2020 $ 2,971,625 $ 1,099 49,826,064 (47,168,029) 5,630,759
Balance, shares at Mar. 31, 2020 3,563 10,979,768      
Balance at Dec. 31, 2019 $ 4,816,485 $ 330 41,823,048 (43,413,370) 3,226,493
Balance, shares at Dec. 31, 2019 1,268 5,775 3,300,015      
Net loss           (6,273,817)
Balance at Jun. 30, 2020 $ 3,842 75,421,130 (49,687,187) 25,737,785
Balance, shares at Jun. 30, 2020 38,414,631      
Balance at Mar. 31, 2020 $ 2,971,625 $ 1,099 49,826,064 (47,168,029) 5,630,759
Balance, shares at Mar. 31, 2020 3,563 10,979,768      
Stock based compensation expense 227,499 227,499
Issuance of common stock upon conversion of convertible note payable $ 320 3,091,965 3,092,285
Issuance of common stock upon conversion of convertible note payable, shares 3,200,000      
Issuance of common stock and warrants, net of issuance costs $ 2,070 18,731,930 18,734,000
Issuance of common stock and warrants, net of issuance costs, shares 20,700,000      
Issuance of common stock upon exercise of warrants $ 3 (3)
Issuance of common stock upon exercise of warrants, shares 33,437      
Issuance of common stock upon conversion of Series D Preferred Stock $ (2,971,625) $ 314 2,971,311
Issuance of common stock upon conversion of Series D Preferred Stock, shares (3,563) 3,141,426      
Issuance of common stock for services $ 36 572,364 572,400
Issuance of common stock for services, shares 360,000      
Net loss (2,519,158) (2,519,158)
Balance at Jun. 30, 2020 $ 3,842 $ 75,421,130 $ (49,687,187) $ 25,737,785
Balance, shares at Jun. 30, 2020 38,414,631