NET LOSS PER COMMON SHARE (Tables)

3 Months Ended

Mar. 31, 2014

Earnings Per Share [Abstract]

Securities excluded from diluted earnings per common share on an actual outstanding basis

Potentially dilutive securities excluded from diluted net loss per common share on an actual outstanding basis, were as follows (in thousands):

	March 31, 2014
	2014	2013
Employee stock options	5,068	5,994
Employee stock purchase plan	173	—
Restricted stock and restricted stock units	4,419	3,861
Convertible notes	17,857	17,878
Total	27,517	27,733