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2. Investment Securities (Tables)
9 Months Ended
Sep. 30, 2017
Investment Securities Tables Abstract  
Schedule of Securities Impairment
          Gross     Gross        
    Amortized     Unrealized     Unrealized     Fair  
    Cost     Gains     Losses     Value  
September 30, 2017                        
U. S. Treasuries   $ 125     $ -     $ -     $ 125  
December 31, 2016                                
U. S. Treasuries   $ 125     $ -     $ -     $ 125  
Schedule of Amortized Cost and Fair Value for Securities
   

Amortized

Cost

   

Gross

Unrealized

Gains

   

Gross

Unrealized

Losses

   

Fair

Value

 
September 30, 2017                        
U. S. Treasuries   $ 22,001     $ -     $ 3     $ 21,998  
Mortgage-backed obligations of federal agencies     539       10       -       549  
Equity securities     135       -       -       135  
Total Securities Available for Sale   $ 22,675     $ 10     $ 3     $ 22,682  
                                 
December 31, 2016                                
U. S. Treasuries   $ 24,005     $ 9     $ -     $ 24,014  
Mortgage-backed obligations of federal agencies     634       -       -       634  
Equity securities     135       -       -       135  
Total Securities Available for Sale   $ 24,774     $ 9     $ -     $ 24,783  
Schedule of Securities with Unrealized Losses
    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   $ -     $ -     $ 22,001     $ 21,998  
Due after one year through five years     125       125       -       -  
Due after five years     -       -       539       549  
Due after ten years     -       -       135       135  
Total   $ 125     $ 125     $ 22,675     $ 22,682