Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2021

Earnings Per Share [Abstract]

Reconciliation of weighted average shares outstanding

The following is a reconciliation of the weighted-average common shares outstanding used for the computation of basic and diluted net loss per common share:

	Year Ended December 31,
(thousands)	2021	2020	2019
Basic weighted-average common shares outstanding	51,410	50,770	50,124
Effect of dilutive options, performance stock units and restricted stock	—	—	—
Diluted weighted-average shares outstanding	51,410	50,770	50,124

Schedule of amounts that could potentially dilute basic EPS in the future

The following represents the weighted average number of shares that could potentially dilute basic earnings per share in the future:

	Year Ended December 31,
(thousands)	2021	2020
Convertible preferred stock	23,153	13,064
Stock-based compensation awards (1):
Stock options	1,217	803
Restricted Stock Units	3,330	1,359
Warrants:
Private placement warrants	—	3,585
Public warrants	—	5,717

(1)      SARs and Phantom Options are payable in cash so will therefore have no impact on number of shares.