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CONDENSED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($)
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, 2018 $ 98,500 $ 171,200 $ 129,245 $ 342,500 $ 40,000 $ 61,871,756 $ (37,039,468) $ 25,613,733
Increase (Decrease) in Stockholders' Equity                
Dividends           (109,912)   (109,912)
Conversion (2,500)       (6,000) 8,500    
Net Income             262,531 262,531
Balance at Jun. 30, 2019 96,000 171,200 129,245 342,500 34,000 61,770,344 (36,776,937) 25,766,352
Balance at Mar. 31, 2019 98,500 171,200 129,245 342,500 40,000 61,816,644 (37,168,689) 25,429,400
Increase (Decrease) in Stockholders' Equity                
Dividends           (54,800)   (54,800)
Conversion (2,500)       (6,000) 8,500    
Net Income             391,752 391,752
Balance at Jun. 30, 2019 96,000 171,200 129,245 342,500 34,000 61,770,344 (36,776,937) 25,766,352
Balance at Dec. 31, 2019 96,000 171,200 129,245 342,500 34,000 61,660,744 (33,891,234) 28,542,455
Increase (Decrease) in Stockholders' Equity                
Exchange of Preferred Stock for Common Stock     (2,500) (7,500)   (90,000)   (100,000)
Stock Option Exercises           626,687   626,687
Dividends           (109,600)   (109,600)
Net Income             4,088,886 4,088,886
Balance at Jun. 30, 2020 96,000 171,200 126,745 335,000 34,000 62,087,831 (29,802,348) 33,048,428
Balance at Mar. 31, 2020 96,000 171,200 126,745 337,500 34,000 61,538,444 (33,568,461) 28,735,428
Increase (Decrease) in Stockholders' Equity                
Exchange of Preferred Stock for Common Stock       (2,500)   (22,500)   (25,000)
Stock Option Exercises           626,687   626,687
Dividends           (54,800)   (54,800)
Net Income             3,766,113 3,766,113
Balance at Jun. 30, 2020 $ 96,000 $ 171,200 $ 126,745 $ 335,000 $ 34,000 $ 62,087,831 $ (29,802,348) $ 33,048,428