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Certificates of Deposit	9 Months Ended
Certificates of Deposit	Sep. 30, 2014
Certificates of Deposit
Certificates of Deposit	(2)Certificates of Deposit At September 30, 2014, investments in certificates of deposit amounting to $3.0 million with an interest rate of 0.65% mature on September 13, 2015. Certificates of deposit are carried at cost which approximates fair value.