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Consolidated Statements of Changes in Stockholders' Equity - USD ($)
Common Stock Par Value [Member]
Additional Paid-In Capital [Member]
Retained Earnings [Member]
Treasury Stock [Member]
Total
Balance at Mar. 31, 2019 $ 1,053,583 $ 7,305,048 $ 416,907 $ (346,001) $ 8,429,537
Common stock shares, issued at Mar. 31, 2019         2,107,166
Common stock shares, held in treasury at Mar. 31, 2019         (67,000)
Net income loss (99,478) $ (99,478)
Stock based compensation 34,303 $ 34,303
Common stock shares, issued        
Common stock shares, held in treasury, Acquisitions, shares        
Balance at Mar. 31, 2020 1,053,583 7,339,351 317,429 (346,001) $ 8,364,362
Common stock shares, issued at Mar. 31, 2020         2,107,166
Common stock shares, held in treasury at Mar. 31, 2020         (67,000)
Common stock shares outstanding at Mar. 31, 2020         2,040,166
Net income loss 155,932 $ 155,932
Stock based compensation 55,678 55,678
Issuance of stock through options exercised 18,250 229,185 $ 247,435
Common stock shares, issued         36,500
Common stock shares, held in treasury, Acquisitions, shares        
Balance at Mar. 31, 2021 $ 1,071,833 $ 7,624,214 $ 473,361 $ (346,001) $ 8,823,407
Common stock shares, issued at Mar. 31, 2021         2,143,666
Common stock shares, held in treasury at Mar. 31, 2021         (67,000)
Common stock shares outstanding at Mar. 31, 2021         2,076,666