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Cash Equivalents
9 Months Ended
Sep. 30, 2012
Cash and Cash Equivalents [Abstract]  
Cash Equivalents
Cash Equivalents
Cash equivalents consist of highly liquid money-market mutual funds and bank deposits with maturities of three months or less when purchased. Cash equivalents totaled $0.4 million at September 30, 2012 and $0.3 million at January 1, 2012.