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Fair Value Measurements
3 Months Ended
Mar. 31, 2017
Fair Value Disclosures [Abstract]  
Fair Value Measurements

(3) Fair Value Measurements

The Company estimates the fair value of cash and cash equivalents, restricted cash, accounts receivable, accounts payable and accrued expenses, and accrued compensation and employee benefits.  The Company considers the carrying value of these instruments in the financial statements to approximate fair value due to their short maturities.