Basic and Diluted Net Income (Loss) Per Share

3 Months Ended

Mar. 31, 2013

Earnings Per Share [Abstract]

Earnings Per Share [Text Block]

Basic and Diluted Net Income (Loss) per Share

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

	Three Months Ended
	March 31,
	2013			2012
Numerator — Basic
Net loss	$	(6,557	)	$	(4,815	)
Numerator — Diluted
Net loss	$	(6,557	)	$	(4,815	)
Interest on convertible notes, net of tax benefit (B)	—			—
Net loss, diluted	$	(6,557	)	$	(4,815	)
Denominator — Basic
Weighted average shares used to calculate net loss per share, basic	28,470			26,656
Denominator — Diluted
Weighted average shares used to calculate net loss per share, basic	28,470			26,656
Effect of escrow shares (A)	—			—
Effect of convertible notes (B)	—			—
Effect of dilutive restricted stock units (C)	—			—
Effect of dilutive stock options (C)	—			—
Weighted average shares used to calculate net loss per share, diluted	28,470			26,656
Net loss per share
Basic	$	(0.23	)	$	(0.18	)
Diluted (B)	$	(0.23	)	$	(0.18	)

(A) For the three months ended March 31, 2013 and 2012, 0.1 million and 1.3 million contingently issuable shares were excluded from the calculation as their effect would have been anti-dilutive.

(B) For the three months ended March 31, 2013 and 2012, 2.8 million and 3.5 million as-if converted shares associated with the Company's convertible senior notes were excluded from the calculation as their effect would have been anti-dilutive.

(C) For the three months ended March 31, 2013 and 2012, the following equity awards, by type, were excluded from the calculation, as their effect would have been anti-dilutive (in thousands):

	Three Months Ended
	March 31,
	2013	2012
Stock options	2,892	2,651
Restricted stock units	488	502
Performance based restricted stock units (D)	2,101	835
Total equity award shares excluded	5,481	3,988

(D) For the three months ended March 31, 2013 and 2012, the Company excluded restricted stock units granted under the Long-Term Incentive Plan ("LTIP") and the overlay plan of the 2007 Stock Plan (the "Overlay Plan"), as the performance criteria required for issuance of the awards was not satisfied as of these dates.