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1. BASIS OF PRESENTATION (Tables)
9 Months Ended
Sep. 30, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Earnings per share
    Three months ended September 30,     Nine months ended September 30,  
    2020     2019     2020     2019  
Numerator                                
Net income   $ 896,799     $ 852,200     $ 2,304,302     $ 1,638,587  
Accrued preferred stock dividends     (256,452 )     (256,452 )     (769,356 )     (769,357 )
                                 
Net income applicable to common shares   $ 640,347     $ 595,748     $ 1,534,946     $ 869,230  
                                 
Denominator                                
Weighted-average common shares outstanding     4,964,529       4,964,529       4,964,529       4,964,529  
                                 
Earnings per common share after preferred dividends   $ 0.13     $ 0.12     $ 0.31     $ 0.18