Earnings (Loss) Per Share

6 Months Ended

Jun. 30, 2019

Basic earnings (loss) per share is computed in accordance with ASC 260, Earnings per Share, based on weighted average outstanding common shares. Diluted earnings (loss) per share is computed based on basic weighted average outstanding common shares adjusted for the dilutive effect of stock options and RSUs.

The following table reconciles the weighted average share amounts used to compute both basic and diluted earnings (loss) per share (in thousands):



	Three Months Ended June 30,		Six Months Ended June 30,
	2019	2018	2019	2018
Weighted average shares outstanding:
Basic weighted average shares outstanding	116,586	115,548	116,287	115,595
Add: Dilutive effect of stock options and RSUs	2,200	—	—	—
Diluted weighted average shares outstanding	118,786	115,548	116,287	115,595

The diluted earnings (loss) per share computation excludes 2.1 million and 7.9 million options to purchase shares, RSAs, RSUs, and contingently issuable shares during the three months ended June 30, 2019 and 2018, respectively, as their effect would be anti-dilutive. The diluted loss per share computation excludes 7.5 million and 8.3 million options to purchase shares, RSAs, RSUs, and contingently issuable shares during the six months ended June 30, 2019 and 2018, respectively, as their effect would be anti-dilutive.

Common stock outstanding as of June 30, 2019, and December 31, 2018, was 116,684,869 and 116,123,361, respectively.