Basic and Diluted Net IncomePer Share (Tables)

12 Months Ended

Dec. 31, 2016

Schedule of Earnings Per Share, Basic and Diluted

A reconciliation of the numerator and the denominator used to calculate basic and diluted loss per share is as follows (in thousands, except per share amounts):



	For the Years Ended December 31,
	2016			2015			2014
Numerator
Net loss	$	(10,251	)	$	(14,678	)	$	(27,581	)
Denominator—Basic
Weighted average shares used to calculate net loss per share, basic	37,668			36,789			34,699
Denominator—Diluted
Weighted average shares used to calculate net loss per share, basic	37,668			36,789			34,699
Effect of convertible notes ^(A)	—			—			—
Effect of dilutive restricted stock ^(B)	—			—			—
Effect of dilutive stock options^(B)	—			—			—
Weighted average shares used to calculate net loss per share, diluted	37,668			36,789			34,699
Net loss per share:
Basic	$	(0.27	)	$	(0.40	)	$	(0.79	)
Diluted	$	(0.27	)	$	(0.40	)	$	(0.79	)

(A) The following as-if converted shares associated with the Company’s 2015 convertible senior notes were excluded from the calculation as their effect would be anti-dilutive (in thousands):

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]

The following as-if converted shares associated with the Company’s 2015 convertible senior notes were excluded from the calculation as their effect would be anti-dilutive (in thousands):



	For the Years Ended December 31,
	2016	2015	2014
2015 convertible senior notes	—	—	2,110

(B) The following shares, by equity award type, were excluded from the calculation, as their effect would have been anti-dilutive (in thousands):



	For the Years Ended December 31,
	2016	2015	2014
Stock options	3,897	2,966	2,841
Restricted stock units	100	151	128
Performance based restricted stock units ^(C)	837	1,625	240
Total equity award shares excluded	4,834	4,742	3,209

(C) Performance based restricted stock units are presented based on attainment of 100% of the performance goals being met.