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Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($)
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Treasury Stock [Member]
Total
Beginning balance, value at Mar. 31, 2020 $ 1,053,583 $ 7,339,351 $ 317,429 $ (346,001) $ 8,364,362
Net loss (341,640) (341,640)
Issuance of stock through options exercised 750 8,685 9,435
Stock based compensation 27,948 27,948
Ending balance, value at Sep. 30, 2020 1,054,333 7,375,984 (24,211) (346,001) 8,060,105
Beginning balance, value at Jun. 30, 2020 1,053,583 7,353,356 17,759 (346,001) 8,078,697
Net loss (41,970) (41,970)
Issuance of stock through options exercised 750 8,685 9,435
Stock based compensation 13,943 13,943
Ending balance, value at Sep. 30, 2020 1,054,333 7,375,984 (24,211) (346,001) 8,060,105
Beginning balance, value at Mar. 31, 2021 1,071,833 7,624,214 473,361 (346,001) $ 8,823,407
Beginning balance, shares at Mar. 31, 2021         2,143,666
Beginning balance, held in treasury, shares at Mar. 31, 2021         (67,000)
Net loss 1,103,834 $ 1,103,834
Issuance of stock through options exercised 13,950 171,782     185,732
Stock based compensation 36,433 $ 36,433
Common stock shares, issued         27,900
Common stock shares, held in treasury, Acquisitions, shares        
Ending balance, value at Sep. 30, 2021 1,085,783 7,832,429 1,577,195 (346,001) $ 10,149,406
Ending balance, shares at Sep. 30, 2021         2,171,566
Ending balance, held in treasury, shares at Sep. 30, 2021         (67,000)
Common stock shares, outstanding at Sep. 30, 2021         2,104,566
Beginning balance, value at Jun. 30, 2021 1,074,333 7,669,579 868,367 (346,001) $ 9,266,278
Net loss 708,828 708,828
Issuance of stock through options exercised 11,450 140,282     151,732
Stock based compensation 22,568 22,568
Ending balance, value at Sep. 30, 2021 $ 1,085,783 $ 7,832,429 $ 1,577,195 $ (346,001) $ 10,149,406
Ending balance, shares at Sep. 30, 2021         2,171,566
Ending balance, held in treasury, shares at Sep. 30, 2021         (67,000)
Common stock shares, outstanding at Sep. 30, 2021         2,104,566