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 March 31,
	2023		2022
Restricted stock	$	167	604
Performance share units	200		289
Stock options	14		$	56
Share-based compensation expense	$	381	$	949

The following table presents the status of unvested restricted stock awards as of March 31, 2023 and changes during the three months then ended.


	Nonvested Restricted Shares	Weighted Average Grant-Date Fair Value
Unvested at January 1, 2023	1,038	$	4.03

Vested	(642)	4.33

Unvested at March 31, 2023	396	$	3.55

Total grant date fair value of restricted stock that vested in the three months ended March 31, 2023, was $2.8 million.