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Financial Instruments and Fair Values
9 Months Ended
Sep. 30, 2016
Financial Instruments and Fair Values [Abstract]  
Financial Instruments and Fair Values
4.
Financial Instruments and Fair Values

The fair value of a financial instrument represents the amount at which the instrument could be exchanged in a current transaction between willing parties, other than in a forced or liquidation sale.  Fair value estimates are made at a specific point in time, based upon relevant market information about the financial instrument.

The carrying amount of cash and cash equivalents approximates fair value due to the short-term maturities of these instruments.

The fair values of all other financial instruments, including debt, approximate their book values as the instruments are short-term in nature or contain market rates of interest.