Annual report pursuant to Section 13 and 15(d)

Statements of Changes in Shareholders' Equity

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Statements of Changes in Shareholders' Equity - USD ($)
Common Stock [Member]
Preferred Stock [Member]
Additional Paid In Capital [Member]
Accumulated Deficit [Member]
Total
Balance at Dec. 31, 2017 $ 4,928 $ 6,309,608 $ 101,402,570 $ (101,400,797) $ 6,316,309
Balance, shares at Dec. 31, 2017 4,928,335 18,600,100      
Compensation expense relating to option issuances 996,038 996,038
Issuance of common stock - shelf takedown, net of expenses $ 900 1,509,427 1,510,327
Issuance of common stock - shelf takedown, net of expenses, shares 900,000      
Conversion of Series A preferred stock to common stock $ 258 $ (268,096) 267,838
Conversion of Series A preferred stock to common stock, shares 258,300 (2,583,000)      
Issuance of common stock, Series D preferred stock and warrants, net of expenses $ 4,436 $ 4,464,107 7,963,086 12,431,629
Issuance of common stock, Series D preferred stock and warrants, net of expenses, shares 4,436,000 9,364,000      
Conversion of Series D preferred stock to common stock $ 9,364 $ (4,464,107) 4,454,743
Conversion of Series D preferred stock to common stock , shares 9,364,000 (9,364,000)      
Warrant exercises $ 9,506 9,495,995 9,505,501
Warrant exercises, shares 9,505,500      
Series C dividend $ 58,670 (58,670)
Series C dividend, shares 2      
Issuance of restricted common stock $ 16 24,304 24,320
Issuance of restricted common stock, shares 16,000      
Issuance of common stock in exchange for services $ 25 11,975 12,000
Issuance of common stock in exchange for services, shares 25,000      
Net loss (9,914,141) (9,914,141)
Balance at Dec. 31, 2018 $ 29,433 $ 6,100,182 126,125,976 (111,373,608) 20,881,983
Balance, shares at Dec. 31, 2018 29,433,135 16,017,102      
Compensation expense relating to option issuances 552,997 552,997
Issuance of common stock - shelf takedown, net of expenses $ 16,667 11,334,010 11,350,676
Issuance of common stock - shelf takedown, net of expenses, shares 16,666,668      
Series C dividend $ 413,214 (413,214)
Series C dividend, shares 12      
Issuance of common stock in exchange for services $ 25 11,975 12,000
Issuance of common stock in exchange for services, shares 25,000      
Net loss (15,566,003) (15,566,003)
Balance at Dec. 31, 2019 $ 46,125 $ 6,513,396 $ 138,024,957 $ (127,352,826) $ 17,231,652
Balance, shares at Dec. 31, 2019 46,124,803 16,017,114