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2. Investment Securities (Tables)
9 Months Ended
Sep. 30, 2018
Investment Securities Tables Abstract  
Schedule of amortized cost and fair value for securities
          Gross     Gross        
    Amortized     Unrealized     Unrealized     Fair  
    Cost     Gains     Losses     Value  
September 30, 2018                        
U. S. Treasuries   $ 123     $ -     $ -     $ 123  
December 31, 2017                                
U. S. Treasuries   $ 125     $ -     $ -     $ 125  
                                 
Amortized cost and fair value of securities
    Amortized Cost     Gross Unrealized Gains     Gross Unrealized Losses     Fair Value  
September 30, 2018                        
U. S. Government sponsored enterprises   $ 7,999     $ -     $ 179     $ 7,820  
Mortgage-backed obligations of federal agencies     435       -       11       424  
Total Securities Available for Sale   $ 8,434     $ -     $ 190     $ 8,244  
                                 
December 31, 2017                                
U. S. Treasuries   $ 19,998     $ -     $ -     $ 19,998  
U.S. Government sponsored enterprises     7,999       -       19       7,980  
Mortgage-backed obligations of federal agencies     508       -       6       502  
Equity securities1     135       -       -       135  
Total Securities Available for Sale   $ 28,640     $ -     $ 25     $ 28,615  
Schedule of gain and losses on sales of debt and equity securities
    Securities Held to Maturity     Securities Available for Sale  
    Amortized     Fair     Amortized     Fair  
(dollars in thousands)   Cost     Value     Cost     Value  
Due in one year or less   $ -     $ -     $ -     $ -  
Due after one year through five years     123       123       5,999       5,880  
Due after five years     -       -       2,435       2,364  
Due after ten years     -       -       -       -  
Total   $ 123     $ 123     $ 8,434     $ 8,244  
Schedule of securities with unrealized losses

 

    Less than 12 Months     More than 12 Months     Total  
    Fair Value     Unrealized Losses     Fair Value     Unrealized Losses     Fair Value     Unrealized Losses  
September 30, 2018                                    
U. S. Government sponsored enterprises   $ 7,820     $ (179 )   $ -     $ -     $ 7,820     $ (179 )
Mortgage-backed obligations of federal agencies     424       (11 )     -       -       424       (11 )
Total   $ 8,244     $ (190 )   $ -     $ -     $ 8,244     $ (190 )

 

    Less than 12 Months     More than 12 Months     Total  
    Fair Value     Unrealized Losses     Fair Value     Unrealized Losses     Fair Value     Unrealized Losses  
December 31, 2017                                    
U. S. Government sponsored enterprises   $ 3,981     $ (19 )   $ -     $ -     $ 3,981     $ (19 )
Mortgage-backed obligations of federal agencies     502       (6 )     -       -       502       (6 )
Total   $ 4,483     $ (25 )   $ -     $ -     $ 4,483     $ (25 )