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v3.22.2.2

Statements of Stockholders’ Equity (Unaudited) - USD ($) | Common Stock | Additional paid-in capital | Accumulated Deficit | Treasury Stock | Total
--- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2020 | $ 729,901 | $ 31,372,093 | $ (3,660,402) | $ (175,392) | $ 28,266,200
Balance (in Shares) at Dec. 31, 2020 | 7,299,009 |  |  | 80,173 |
Net income (loss) |  |  | (441,303) |  | (441,303)
Exercise of stock options |  | 7,305 |  | $ 4,375 | 11,680
Exercise of stock options (in Shares) |  |  |  | (2,000) |
Stock-based compensation |  | 34,629 |  |  | 34,629
Balance at Mar. 31, 2021 | $ 729,901 | 31,414,027 | (4,101,705) | $ (171,017) | 27,871,206
Balance (in Shares) at Mar. 31, 2021 | 7,299,009 |  |  | 78,173 |
Balance at Dec. 31, 2021 | $ 781,417 | 35,692,388 | (3,738,694) | $ (158,171) | 32,576,940
Balance (in Shares) at Dec. 31, 2021 | 7,814,165 |  |  | 72,301 |
Net income (loss) |  |  | 513,287 |  | 513,287
Exercise of stock options |  | 3,652 |  | $ 2,188 | 5,840
Exercise of stock options (in Shares) |  |  |  | (1,000) |
Stock-based compensation |  | 54,093 |  |  | 54,093
Balance at Mar. 31, 2022 | $ 781,417 | $ 35,750,133 | $ (3,225,407) | $ (155,983) | $ 33,150,160
Balance (in Shares) at Mar. 31, 2022 | 7,814,165 |  |  | 71,301 |

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