Registration of securities issued in business combination transactions

Consolidated Statement of Changes in Shareholders' Equity

v3.20.4
Consolidated Statement of Changes in Shareholders' Equity - USD ($)
Series D Convertible Preferred Stock [Member]
Common Stock [Member]
Accumulated Deficit [Member]
Accumulated Other Comprehensive Income/(Loss) [Member]
Total
Balance at Dec. 31, 2018 $ 121,554,547 $ (115,694,881) $ (25,913) $ 5,833,753
Balance, shares at Dec. 31, 2018 540,607      
Net loss (3,888,249) (3,888,249)
Public offering - common stock, net of offering costs of $306,222 $ 2,147,778 2,147,778
Public offering - common stock, net of offering costs of $306,222, shares   613,500      
Public offering - pre-funded warrants, net of offering costs of $688,005 $ 4,817,857 4,817,857
Public offering - pre-funded warrants, net of offering costs of $688,005, shares      
Issuance of stock grants to officer $ 27,367 27,367
Issuance of stock grants to officer, shares   1,563      
Issuance of common stock to vendor for services $ 10,802 10,802
Issuance of common stock to vendor for services, shares   1,667      
Exercise of prepaid equity forward contracts for common stock $ 58 58
Exercise of prepaid equity forward contracts for common stock, shares   581,500      
Stock-based compensation - restricted stock units $ 362,005 362,005
Stock-based compensation - restricted stock units, shares      
Net unrealized gain loss on marketable securities 43,799 43,799
Balance at Dec. 31, 2019 $ 128,920,414 (119,583,130) 17,886 9,355,170
Balance, shares at Dec. 31, 2019 1,738,837      
Net loss (17,580,609) (17,580,609)
Stock-based compensation - restricted stock units $ 404,589 404,589
Stock-based compensation - restricted stock units, shares      
Exercise of pre-funded warrants for common stock $ 80 80
Exercise of pre-funded warrants for common stock, shares   795,000      
Stock-based compensation - acquisition of license for preferred series 'D' stock $ 418,479 418,479
Stock-based compensation - acquisition of license for preferred series 'D' stock, shares 211,353        
Stock-based compensation - acquisition of license for common stock $ 814,578 814,578
Stock-based compensation - acquisition of license for common stock, shares   411,403      
Stock-based compensation - shares issued to vendors $ 7,318 7,318
Stock-based compensation - shares issued to vendors, shares      
Exercise of Series C Convertible Preferred Warrants for common stock $ 7,740,000 7,740,000
Exercise of Series C Convertible Preferred Warrants for common stock, shares   1,935,000      
Exercise of Series D Convertible Preferred Shares for common stock $ (273,955) $ 273,955
Exercise of Series D Convertible Preferred Shares for common stock, shares (138,361) 138,361      
Registered direct offering of common stock net of offering costs of $513,795 $ 4,086,207 4,086,207
Registered direct offering of common stock net of offering costs of $513,795, shares   766,667      
Registered direct offering of common stock net of offering costs of $504,281 $ 4,320,720 4,320,720
Registered direct offering of common stock net of offering costs of $504,281, shares   1,366,856      
Registered direct offering of common stock net of offering costs of $689,874 $ 6,158,034 6,158,034
Registered direct offering of common stock net of offering costs of $689,874, shares   1,207,744      
Private placement of common stock, net of offering costs of $1,522,694 $ 14,619,283 14,619,283
Private placement of common stock, net of offering costs of $1,522,694, shares   8,725,393      
Private placement of pre-funded warrants, net of offering costs of $181,496 $ 1,743,503 1,743,503
Private placement of pre-funded warrants, net of offering costs of $181,496, shares      
Share-based compensation - shares issued for litigation settlements $ 2,510,000 2,510,000
Share-based compensation - shares issued for litigation settlements, shares   500,000      
Reclassification of unrealized gain on marketable securities (17,886) (17,886)
Balance at Dec. 31, 2020 $ 144,524 $ 171,598,681 $ (137,163,739) $ 34,579,466
Balance, shares at Dec. 31, 2020 72,992 17,585,261