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Investments (Notes)	12 Months Ended
Investments (Notes)	Dec. 31, 2014
Investments, All Other Investments [Abstract]
Investments	Investments Investments consist of FDIC insured certificates of deposit with various U.S. financial institutions that have maturities ranging from February 2016 to May 2016. The balance as of December 31, 2014 was approximately $3,250,000 and the cost approximates fair market value. There were no investments as of December 31, 2013.