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Statements of Stockholders' Equity (Unaudited) - USD ($)
Common Stock
Additional paid-in capital
Accumulated Deficit
Treasury Stock
Accumulated Other Comprehensive Income (Loss)
Total
Balance at Dec. 31, 2018 $ 566,265 $ 22,695,557 $ (1,342,698) $ (204,947) $ 30,157 $ 21,744,334
Balance, Shares at Dec. 31, 2018 5,662,645     93,683    
Net loss (482,600) (482,600)
Other comprehensive (loss) income, net of taxes (73,069) (73,069)
Public offering of common stock, net of $696,566 of offering costs $ 163,636 8,139,800 8,303,436
Public offering of common stock, net of $696,566 of offering costs, Shares 1,636,364        
Exercise of stock options (9,337) $ 9,339 2
Exercise of stock options, Shares       (4,269)    
Stock-based compensation 152,916       152,916
Balance at Jun. 30, 2019 $ 729,901 30,978,936 (1,825,298) $ (195,608) (42,912) 29,645,019
Balance, Shares at Jun. 30, 2019 7,299,009     89,414    
Balance at Mar. 31, 2019 $ 729,901 30,908,855 (1,198,142) $ (195,608) 3,088 30,248,094
Balance, Shares at Mar. 31, 2019 7,299,009     89,414    
Net loss (627,156)     (627,156)
Other comprehensive (loss) income, net of taxes         (46,000) (46,000)
Stock-based compensation   70,081       70,081
Balance at Jun. 30, 2019 $ 729,901 30,978,936 (1,825,298) $ (195,608) (42,912) 29,645,019
Balance, Shares at Jun. 30, 2019 7,299,009     89,414    
Balance at Dec. 31, 2019 $ 729,901 31,131,893 (2,638,285) $ (188,336) (43,895) 28,991,278
Balance, Shares at Dec. 31, 2019 7,299,009     86,090    
Net loss     (888,059)     (888,059)
Other comprehensive (loss) income, net of taxes         43,895 43,895
Stock-based compensation   134,038       134,038
Balance at Jun. 30, 2020 $ 729,901 31,265,931 (3,526,344) $ (188,336) 28,281,152
Balance, Shares at Jun. 30, 2020 7,299,009     86,090    
Balance at Mar. 31, 2020 $ 729,901 31,209,297 (2,760,551) $ (188,336) 28,990,311
Balance, Shares at Mar. 31, 2020 7,299,009     86,090    
Net loss     (765,793)     (765,793)
Stock-based compensation   56,634       56,634
Balance at Jun. 30, 2020 $ 729,901 $ 31,265,931 $ (3,526,344) $ (188,336) $ 28,281,152
Balance, Shares at Jun. 30, 2020 7,299,009     86,090