Net Income (Loss) per Share (Tables)

6 Months Ended

Jun. 30, 2018

Reconciliation of Basic and Diluted Shares

The table below shows the reconciliation of the basic and diluted shares for the three and six months ended June 30, 2018 (in thousands):

	For the three months ended June 30,				For the six months ended June 30,
	2018		2017		2018		2017
Weighted average number of shares outstanding:
Basic		34,833		33,640		34,638		33,425
Dilutive effects of:
Employee stock options, RSU’s and share based payment awards issued to employees		-		-				559
Diluted		34,833		33,640		34,638		33,984

Antidilutive Securities Excluded from Computation of Diluted Net Income (Loss) Per Share of Common Stock

The following outstanding shares of common stock and potential common shares were excluded from the computation of diluted net income (loss) per share of common stock for the three and six months ended June 30, 2018 and 2017 because the impact of them would have been antidilutive:

	For the three and six months ended June 30,
	2018		2017
Stock options to purchase common stock		638,083		1,179,087
Restricted stock units for common stock		2,711,680		2,417,349
Employee share purchase plan		100,726		85,413