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11. Fair Value Measurements (Tables)
12 Months Ended
Dec. 31, 2016
Fair Value Disclosures [Abstract]  
Schedule Of Fair Value Assets And Liabilities
   Assets at Fair Value as of December 31, 2015 
   Level 1   Level 2   Level 3   Total 
                 
Mutual Funds  $26   $   $   $26 
Common Stocks & ETF's   613            613 
Preferred Securities       104        104 
Corporate Bonds       1,187    161    1,348