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Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2022

Share-Based Payment Arrangement [Abstract]

Schedule of Share-based Compensation, Stock Options and Stock Appreciation Rights Award Activity

The following table presents certain information related to the activity of our non-vested stock option grants:

			Number of Stock Options						Weighted Average Exercise Prices						Weighted Average Remaining Contractual Term (years)						Aggregate Intrinsic Value
Outstanding as of December 31, 2021			1,147,215						$	4.80					9.49						$	792,000
Granted			635,643						1.70						—						—
Less: Forfeited			199,006						3.05						—						—
Less: Expired			—						—						—						—
Less: Exercised			—						—						—						—
Outstanding as of September 30, 2022			1,583,852						$	3.77					9.05						$	—
Vested as of September 30, 2022(1)			463,724						$	7.77					8.19						$	—
Exercisable as of September 30, 2022			411,090						$	6.36					8.44						$	—

(1) The vested shares are calculated based on all vested shares at September 30, 2022, inclusive of those that have since expired. The weighted average exercise prices and weighted-average remaining contractual term is calculated based on only vested shares that are outstanding and exercisable at September 30, 2022.

Schedule of Nonvested Share Activity

The following table presents certain information related to the activity of our non-vested common stock grants:

			Number of Restricted Shares						Weighted Average Grant Date Fair Value
Outstanding as of December 31, 2021			336,596						$	6.99
Granted			907,907						1.97
Less: Forfeited			208,075						4.31
Less: Vested			112,722						7.09
Outstanding as of September 30, 2022			923,706						$	2.65

Share-based Payment Arrangement, Activity

The following table presents our total stock-based compensation expense:

						Three Months Ended September 30,												Nine Months Ended September 30,
						2022						2021						2022						2021
Employee stock-based compensation expense
Pre-tax						$	261					$	270					$	792					$	495
Post-tax (1)						206						213						626						391
Director stock-based compensation expense
Pre-tax						29						66						132						243
Post-tax (1)						23						52						104						192

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions

The following weighted-average assumptions were used to value the stock options granted:

			2022						2021
Expected annual dividend yield			—		%				0.65		%
Expected volatility			49.66		%				46.63		%
Risk-free interest rate			2.92		%				1.16		%
Expected term			6 years						6 years

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Tabular disclosure of the changes in outstanding nonvested shares.

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Tabular disclosure of activity for award under share-based payment arrangement. Includes, but is not limited to, outstanding award at beginning and end of year, granted, exercised, forfeited, and weighted-average grant date fair value.

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Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

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