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Fair Value Measurements
3 Months Ended
Mar. 31, 2014
Fair Value Measurements [Abstract]  
Fair Value Measurements

(10) Fair Value Measurements

     The carrying amounts of financial instruments including cash and cash equivalents, accounts receivable, accounts payable, accrued liabilities and long term debt in our balance sheet approximates fair value as of March 31, 2014 and December 31, 2013.