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2. Accumulated Other Comprehensive Loss (Tables)
12 Months Ended
Dec. 31, 2015
Equity [Abstract]  
Changes in Accumulated Other Comprehensive Loss
    2015     2014  
Beginning balance   $ (6,448)     $ ––  
Unrealized Gain (loss) on investments, current period     5,997       (6,448)  
Ending balance   $ (451)     $ (6,448)