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Cash and Cash Equivalents
6 Months Ended
Jun. 30, 2014
Cash And Cash Equivalents [Abstract]  
Cash and Cash Equivalents

(5) Cash and Cash Equivalents

The Company considers all highly liquid investments with maturities of 90 days or less when purchased to be cash equivalents. Cash and cash equivalents at June 30, 2014 and December 31, 2013 consisted of cash and money market funds.