NET LOSS PER COMMON SHARE (Tables)

6 Months Ended

Jun. 30, 2017

Schedule Of Anti-Dilutive Common Stock Excluded From Computation of Basic and Diluted Net Loss Per Share

The table below presents potential shares of common stock that were excluded from the computation of basic and diluted earnings per common share as they were anti-dilutive using the if-converted or treasury stock method (in thousands):

	Three and Six Months Ended June 30,
	2017		2016
Options to purchase common stock		8,440		10,445
Common stock issuable under the 2017 Notes		—		1,203
Common stock issuable under the 2018 and 2020 Notes		7,966		7,966
Unvested restricted stock units		3,041		2,829
Common stock potentially issuable for ESPP purchases		387		356
Common stock held by the NQDC		224		253
Total number of potentially issuable shares		20,058		23,052