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STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($)
Common Stock
Preferred Stock
Series I, Class B
Preferred Stock
Series II, Class B
Preferred Stock
Series III, Class B
Preferred Stock
Series IV, Class B
Preferred Stock
Series V, Class B
Additional Paid-in Capital
Accumulated Deficit
Total
Balance at Dec. 31, 2015   $ 98,500 $ 171,200 $ 129,245 $ 342,500 $ 40,000 $ 58,268,036 $ (28,268,580) $ 30,780,901
Balance (in shares) at Dec. 31, 2015 28,619,874 98,500 171,200 129,245 342,500 40,000      
Increase (Decrease) in Stockholders' Equity                  
Stock options exercised             855,021   855,021
Stock options exercised (in shares) 1,046,580                
Dividends             (220,450)   (220,450)
Stock option compensation             387,726   387,726
Net Loss               (3,694,907) (3,694,907)
Balance at Dec. 31, 2016   $ 98,500 $ 171,200 $ 129,245 $ 342,500 $ 40,000 59,290,333 (31,963,487) 28,108,291
Balance (in shares) at Dec. 31, 2016 29,666,454 98,500 171,200 129,245 342,500 40,000      
Increase (Decrease) in Stockholders' Equity                  
Issuance of new Common Stock             2,350,100   2,350,100
Issuance of new Common Stock (in shares) 3,000,000                
Dividends             (220,450)   (220,450)
Stock option compensation             672,223   672,223
Net Loss               (3,736,038) (3,736,038)
Balance at Dec. 31, 2017   $ 98,500 $ 171,200 $ 129,245 $ 342,500 $ 40,000 62,092,206 (35,699,525) 27,174,126
Balance (in shares) at Dec. 31, 2017 32,666,454 98,500 171,200 129,245 342,500 40,000      
Increase (Decrease) in Stockholders' Equity                  
Dividends             (220,450)   (220,450)
Net Loss               (1,339,943) (1,339,943)
Balance at Dec. 31, 2018   $ 98,500 $ 171,200 $ 129,245 $ 342,500 $ 40,000 $ 61,871,756 $ (37,039,468) $ 25,613,733
Balance (in shares) at Dec. 31, 2018 32,666,454 98,500 171,200 129,245 342,500 40,000