Annual report pursuant to Section 13 and 15(d)

Statements of Changes in Shareholders' Equity

v3.19.1
Statements of Changes in Shareholders' Equity - USD ($)
Total
Series A Preferred Stock [Member]
Series B Preferred Stock [Member]
Series C Preferred Stock [Member]
Series D Preferred Stock [Member]
Common Stock [Member]
Common Stock [Member]
Series A Preferred Stock [Member]
Common Stock [Member]
Series D Preferred Stock [Member]
Preferred Stock [Member]
Preferred Stock [Member]
Series A Preferred Stock [Member]
Preferred Stock [Member]
Series B Preferred Stock [Member]
Preferred Stock [Member]
Series C Preferred Stock [Member]
Preferred Stock [Member]
Series D Preferred Stock [Member]
Stock Subscription Receivable [Member]
Additional Paid In Capital [Member]
Additional Paid In Capital [Member]
Series A Preferred Stock [Member]
Additional Paid In Capital [Member]
Series B Preferred Stock [Member]
Additional Paid In Capital [Member]
Series C Preferred Stock [Member]
Additional Paid In Capital [Member]
Series D Preferred Stock [Member]
Accumulated Deficit [Member]
Accumulated Deficit [Member]
Series C Preferred Stock [Member]
Beginning Balances at Dec. 31, 2016 $ 2,965,723         $ 4,912               $ (30,563) $ 97,660,646         $ (94,669,272)  
Beginning Balances, Shares at Dec. 31, 2016           4,912,335                              
Repayment of stock subscription 30,563                         $ 30,563              
Compensation expense relating to option issuances 435,216                           435,216            
Issuance of stock and warrants, net of expenses   $ 2,865,304 $ 3,253,175             $ 1,245,508 $ 1,679,301         $ 1,619,796 $ 1,573,874        
Issuance of stock and warrants, net of expenses, Shares                   12,000,000 6,600,000                    
Issuance of Series C preferred stock, net of expenses       $ 3,372,591               $ 3,384,799           $ (12,208)      
Issuance of Series C preferred stock, net of expenses, Shares                       100                  
Compensation expense relating to issuance of restricted shares 2,062                           2,062            
Issuance of restricted common stock 123,200         $ 16                 123,184            
Issuance of restricted common stock, Shares           16,000                              
Net loss (6,731,525)                                     (6,731,525)  
Ending Balances at Dec. 31, 2017 $ 6,316,309         $ 4,928     $ 6,309,608           101,402,570         (101,400,797)  
Ending Balances, Shares at Dec. 31, 2017 4,928,335         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 1,510,327         $ 900                 1,509,427            
Issuance of common stock - shelf takedown, net of expenses, Shares           900,000                              
Conversion of preferred stock to common stock             $ 258 $ 9,364   $ (268,096)     $ (4,464,107)     $ 267,838     $ 4,454,743    
Conversion of preferred stock to common stock, Shares             258,300 9,364,000   (2,583,000)     (9,364,000)                
Issuance of stock and warrants, net of expenses         $ 12,431,629 $ 4,436             $ 4,464,107           $ 7,963,086    
Issuance of stock and warrants, net of expenses, Shares           4,436,000             9,364,000                
Warrant exercises 9,505,501         $ 9,506                 9,495,995            
Warrant exercises, Shares           9,505,500                              
Series C dividend                       $ 58,670                 $ (58,670)
Series C dividend, Shares                       2                  
Issuance of restricted common stock 24,320         $ 16                 24,304            
Issuance of restricted common stock, Shares           16,000                              
Issuance of common stock in exchange for services 12,000         $ 25                 11,975            
Issuance of common stock in exchange for services, Shares           25,000                              
Net loss (9,914,141)                                     (9,914,141)  
Ending Balances at Dec. 31, 2018 $ 20,881,983         $ 29,433     $ 6,100,182           $ 126,125,976         $ (111,373,608)  
Ending Balances, Shares at Dec. 31, 2018 29,433,135         29,433,135     16,017,102