Loss Per Share (Tables)

9 Months Ended

Sep. 30, 2020

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

The weighted average numbers of shares outstanding used to compute income and loss per share were as follows (in thousands):

	Three Months Ended September 30,		Nine Months Ended September 30,
	2020	2019	2020	2019
Shares used to calculate basic income (loss) per share	30,038	29,728	29,914	29,660
Dilutive effect of outstanding stock options, performance stock units and restricted stock units	2,363	—	1,878	—
Shares used to calculate diluted income (loss) per share	32,401	29,728	31,792	29,660

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

These shares may be anti-dilutive potential common shares in the future (in thousands):

	Three Months Ended September 30,		Nine Months Ended September 30,
	2020	2019	2020	2019
Restricted stock units	1,772	7	1,398	7
Stock options	591	—	480	76

In the case of restricted stock units, this is because unrecognized compensation expense exceeds the current value of the awards (i.e., grant date market value was higher than current average market price). In the case of stock options, this is because the average market price did not exceed the exercise price.

These shares may be dilutive potential common shares in the future (in thousands):

	Three Months Ended September 30,		Nine Months Ended September 30,
	2020	2019	2020	2019
Restricted stock units	1	765	3	227
Stock options	4	534	41	85