Net Loss Per Share (Tables)

6 Months Ended

Jun. 30, 2016

Net Loss Per Share [Abstract]

Schedule of Antidilutive Common Shares Excluded from Computation of Diluted Earnings per Share

The following table summarizes anti-dilutive common shares that were excluded from the calculation of diluted loss per share (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2016		2015		2016		2015
Stock options		5,796		6,705		5,604		6,483
Contingent consideration liability		4,059		3,025		4,219		2,966
Total anti-dilutive securities		9,855		9,730		9,823		9,449