Shared-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2022

Share-based Payment Arrangement [Abstract]

Components of Share-Based Compensation Expense by Type of Award

The following table lists the components of share-based compensation expense by type of award, which is recognized in the “Selling, general, and administrative expense” line in the Condensed Consolidated Statements of Operations and Comprehensive Income (Loss). 

	Three Months Ended June 30,				Six Months Ended June 30,
	2022		2021		2022		2021
Stock options	$	31	$	59	$	87	$	148
Restricted stock	2,158		591		2,762		1,139
Performance share units	417		450		706		699
Change in estimate of share-based award vesting (1)	—		(337)		—		(337)
Share-based compensation expense	$	2,606	$	763	$	3,555	$	1,649

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(1)Amounts reflect the decrease in share-based compensation expense based on the change in estimate of the probability of vesting of share-based awards.

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Reconciliation of Option Activity

The following table presents stock option activity for the six months ended June 30, 2022.

	Number of Options (in thousands)	Weighted- Average Exercise Price (per share)		Weighted- Average Remaining Contractual Term	Aggregate Intrinsic Value
Outstanding at January 1, 2022	621	$	12.24
Expired	(79)	9.71
Outstanding at June 30, 2022	542	$	12.61	4.1 years	$	—	(1)
Exercisable at June 30, 2022	515	$	12.77	3.9 years	$	—	(1)

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(1)The aggregate intrinsic value is the sum of intrinsic values for each exercisable individual option grant. The intrinsic value is the amount by which the closing market price of our stock at June 30, 2022, was greater than the exercise price of any individual option grant.

Reconciliation of Restricted Stock Option Activity

The following table presents the status of unvested restricted stock awards as of June 30, 2022 and changes during the six months then ended.

	Nonvested Restricted Shares (in thousands)	Weighted Average Grant-Date Fair Value (per share)
Unvested at January 1, 2022	469	$	7.28
Granted	897	3.31
Vested	(291)	7.05
Forfeited	(9)	4.73
Unvested at June 30, 2022	1,066	$	4.02

Schedule of Performance Based Awards Goals with Respect to TSR and ROIC

The following table presents the goals with respect to PSUs granted in 2022.

	Threshold  Performance (25% of Shares)	Target Performance (100% of Shares)	Maximum Performance (150% of Shares)
TSR Awards	25th Percentile	55th Percentile	75th Percentile
	Threshold  Performance (50% of Shares)	Target Performance (100% of Shares)	Maximum Performance (150% of Shares)
ROIC Awards	6.4%	8.6%	10.0%

Summary of Status of Unvested PSU Awards

The following table presents the status of unvested PSUs as of June 30, 2022 and changes during the six months then ended.

	Nonvested TSR Awards			Nonvested ROIC Awards
	Shares (in thousands)	Weighted Average Grant-Date Fair Value (per share)		Shares (in thousands)	Weighted  Average Grant-Date Fair Value (per share)
Nonvested at January 1, 2022	194	$	9.59	228	$	8.14
Granted	382	2.53		408	2.62
Nonvested at June 30, 2022	576	$	4.90	636	$	4.60