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Statements of Changes in Stockholders' Equity (Unaudited) - USD ($)
Common Stock [Member]
Retained Earnings [Member]
Total
Balances (in shares) at Dec. 31, 2019 1,942,495    
Balances at Dec. 31, 2019 $ 59,335 $ 15,388,120 $ 15,447,455
Net income $ 0 270,172 270,172
Balances (in shares) at Jun. 30, 2020 1,942,495    
Balances at Jun. 30, 2020 $ 59,335 15,658,292 15,717,627
Balances (in shares) at Mar. 31, 2020 1,942,495    
Balances at Mar. 31, 2020 $ 59,335 15,446,502 15,505,837
Net income $ 0 211,790 211,790
Balances (in shares) at Jun. 30, 2020 1,942,495    
Balances at Jun. 30, 2020 $ 59,335 15,658,292 15,717,627
Balances (in shares) at Dec. 31, 2020 1,942,495    
Balances at Dec. 31, 2020 $ 59,335 15,727,503 15,786,838
Net income $ 0 601,155 601,155
Balances (in shares) at Jun. 30, 2021 1,942,495    
Balances at Jun. 30, 2021 $ 59,335 16,328,658 16,387,993
Balances (in shares) at Mar. 31, 2021 1,942,495    
Balances at Mar. 31, 2021 $ 59,335 16,154,310 16,213,645
Net income $ 0 174,348 174,348
Balances (in shares) at Jun. 30, 2021 1,942,495    
Balances at Jun. 30, 2021 $ 59,335 $ 16,328,658 $ 16,387,993