Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2023

Share-Based Payment Arrangement [Abstract]

Summary of Restricted Stock Activity

A summary of equity award activity during 2023 is presented below:

	Restricted Stock (1)					Performance-Based Restricted Stock (1)(2)					Restricted Stock Units					Performance Based Restricted Stock Units
	Shares			Weighted- Average Grant Date Fair Value		Shares			Weighted- Average Grant Date Fair Value		Shares			Weighted- Average Grant Date Fair Value		Shares			Weighted- Average Grant Date Fair Value
Unvested outstanding beginning of year		546,494		$	2.72		312,639		$	2.71		422,447		$	10.50		161,922		$	10.40
Granted		—		$	—		—		$	—		442,116		$	10.87		171,641		$	20.62
Vested		(279,997	)	$	2.70		(170,244	)	$	2.69		(124,740	)	$	11.12		—		$	—
Cancelled or forfeited		—		$	—		—		$	—		(35,254	)	$	9.31		(4,329	)	$	16.78
Unvested outstanding end of year		266,497		$	2.73		142,395		$	2.73		704,569		$	10.33		329,234		$	17.03
Additional Information:
Weighted-average fair value per stock/unit granted in 2022				$	—				$	—				$	13.15				$	13.22
Weighted-average fair value per stock/unit granted in 2021				$	3.55				$	3.09				$	5.05				$	—

	Total Fair Value			Total Fair Value			Total Fair Value			Total Fair Value
	In Thousands
Stock/unit vested in 2023		$	3,485		$	2,113		$	1,343		$	—
Stock/unit vested in 2022		$	4,394		$	4,976		$	—		$	—
Stock/unit vested in 2021		$	2,729		$	6,671		$	2,209		$	—

_____________________________

(1)We did not grant any restricted stock or performance based restricted stock awards during 2023 or 2022.

(2)Upon the change of control event associated with the exchange of the Series E and Series F Redeemable Preferred discussed in Note 1 – Summary of Significant Accounting Policies, during 2021 such PBRS are subject only to the time-based vesting conditions set forth in the applicable award agreement and the 2016 Plan.

Summary of Valuation Assumptions of Market Condition PBRSUs

	Valuation Date
	January 25, 2023			January 20, 2022
Valuation assumptions of market condition PBRSUs
Risk free rate		3.77	%		1.34	%
Volatility		95.06	%		97.92	%
Simulation period	2.93 years			2.92 years
Fair value	$	20.62		$	15.94

Summary of Stock-based Compensation Expense Recognized and Related Income Tax Benefit

Stock-based Compensation Expense – A summary of our stock-based compensation expense recognized and related income tax benefit for each of the three years we present our income statement is presented below:

	Stock Based Compensation
	2023			2022			2021
	(In Thousands)
Stock-based compensation expense - Cost of sales		845			512			371
Stock-based compensation expense - SG&A		3,983			3,513			5,145
Income tax benefit		(1,128	)		(947	)		(1,355	)