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Investments	3 Months Ended
Investments	Mar. 31, 2015
Investments, All Other Investments [Abstract]
Investments	Investments Investments consist of FDIC insured certificates of deposit with various U.S. financial institutions that mature in May 2016. The balances as of March 31, 2015, and December 31, 2014 were approximately $2,500,000 and $3,250,000, respectively and the cost approximates fair market value.