Annual report pursuant to Section 13 and 15(d)

Investments In Available-For-Sale Securities And Other Cost Investments (Details)

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Investments In Available-For-Sale Securities And Other Cost Investments (Details) - USD ($)
Dec. 31, 2015
Dec. 31, 2014
Investments In Available-For-Sale Securities And Other Cost Investments    
Gross unrealized holding gains $ 0 $ 0
Gross unrealized holding losses $ 0 $ 0