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Share Based Compensation (Tables)
12 Months Ended
Dec. 31, 2022
Share-Based Payment Arrangement [Abstract]  
Summary of Awards
The following table presents a summary of the Company’s unvested restricted stock awards:
Number of
Shares
Weighted-
Average Grant
Date Fair Value
(In thousands)
Unvested restricted shares outstanding at January 1, 2020
233 $12.66 
Granted105 $2.15 
Vested(174)$11.53 
Forfeited / Canceled(50)$15.97 
Unvested restricted shares outstanding at December 31, 2020
114 $3.26 
Granted56 $5.26 
Vested(111)$2.99 
Forfeited / Canceled(2)$16.25 
Unvested restricted shares outstanding at December 31, 2021
57 $5.26 
Granted18 $18.93 
Vested (1)(57)$5.26 
Forfeited / Canceled— $— 
Unvested restricted shares outstanding at December 31, 2022
18 $18.93 
____________________
(1)     The aggregate intrinsic value of restricted stock that vested during 2022 was approximately $1.4 million based on the stock price at the time of vesting.
The following table presents a summary of the Company’s unvested restricted stock units:
Number of
Units
Weighted-
Average Grant
Date Fair Value
(In thousands)
Unvested restricted stock units outstanding at December 31, 2020
1,410 $1.10 
Granted178 $7.58 
Vested (1)(477)$1.14 
Forfeited / Canceled(705)$0.94 
Unvested restricted stock units outstanding at December 31, 2021
406 $4.18 
Granted39 $13.51 
Vested (1)(175)$3.61 
Forfeited / Canceled(18)$5.51 
Unvested restricted stock units outstanding at December 31, 2022
252 $5.93 
____________________
(1)     The aggregate intrinsic value of restricted stock units that vested during 2022 was approximately $3.3 million based on the stock price at the time of vesting.
The following table presents a summary of the Company's performance share units:
Number of
Units
Weighted-
Average Grant
Date Fair Value
(In thousands)
Unvested performance share units outstanding at January 1, 2020
92 $20.41 
Granted205 $1.66 
Vested(92)$20.41 
Forfeited / Canceled— 
Unvested performance share units outstanding at December 31, 2020
205 $1.66 
Granted39 $5.01 
Vested(197)$1.70 
Forfeited / Canceled(13)$2.38 
Unvested performance share units outstanding at December 31, 2021
34 $5.01 
Granted19 $13.51 
Vested (1)(34)$5.01 
Forfeited / Canceled(2)$13.51 
Unvested performance share units outstanding at December 31, 2022
17 $13.51 
____________________
(1)     The aggregate intrinsic value of performance share units that vested during 2022 was approximately $0.5 million.
Schedule of Weighted Average Assumptions
The fair value of stock options is estimated on the date of the grant using a Black-Scholes valuation model that uses the weighted average assumptions noted in the following table. Expected volatility is based on historical volatility of the Company’s common stock and other factors. The Company uses historical data on the exercise of stock options, post-vesting forfeitures and other factors to estimate the expected term of the stock-based payments granted. The risk-free interest rate is based on the U.S. Treasury yield curve in effect at the time of grant. Generally, stock options granted to employees and
directors vest ratably over three years from the grant date and expire seven years from the date of grant. There were no stock options granted during the year ended December 31, 2022.

AssumptionsFor the Year Ended December 31, 2021For the Year Ended December 31, 2020
Risk-free interest rate0.79 %1.40 %
Expected dividend yield— %— %
Expected volatility78.2 %46.2 %
Expected term5 years2.75 years
Summary of Stock Option Activity The following table presents a summary of the Company's stock option activity for the years ended December 31, 2022, 2021 and 2020:
Number of SharesWeighted Average Exercise Price per ShareWeighted Average Remaining Contractual Term(years)Aggregate Intrinsic Value (in millions)
(In thousands)
Outstanding at January 1, 2020
— $— — $— 
Granted245 — — — 
Forfeited / Canceled(154)— — — 
Outstanding at December 31, 2020
91 $— 2.68$0.24 
Exercisable at December 31, 2020
— $— — $— 
Outstanding at December 31, 2020
91 $— 2.68$0.24 
Granted250 — — — 
Exercised(9)$6.43 — — 
Expired(1)— — — 
Forfeited / Canceled(7)— — — 
Outstanding at December 31, 2021
324 $— 7.80$0.80 
Exercisable at December 31, 2021
24 $— 1.59$0.19 
Outstanding at December 31, 2021
324 $— 7.80$0.80 
Granted— — — — 
Exercised(31)$17.53 — — 
Expired— — — 
Forfeited / Canceled(7)— — — 
Outstanding at December 31, 2022 (1)
286 $— 7.64$2.38 
Exercisable at December 31, 2022
68 $— 6.49$0.64 
____________________
(1)     All outstanding stock options as of December 31, 2022 are expected to vest.
Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan
The following tables summarize the Company's share and incentive-based compensation for the years ended December 31, 2022, 2021 and 2020 (in thousands):
Recurring Compensation Expense (1)Executive Terminations (2)Reduction in Force (2)Total
Year Ended December 31, 2022
Equity-classified awards:
Restricted stock awards and units$997 $— $— $997 
Performance share units215 — — 215 
Stock options314 — — 314 
Total share-based compensation expense1,526 — — 1,526 
Less: Capitalized compensation expense— — — — 
Share and incentive-based compensation expense, net$1,526 $— $— $1,526 
Year Ended December 31, 2021
Equity-classified awards:
Restricted stock awards and units$773 $— $11 $784 
Performance share units476 — 482 
Stock options128 — — 128 
Total share-based compensation expense1,377 — 17 1,394 
Less: Capitalized compensation expense— — — — 
Share and incentive-based compensation expense, net$1,377 $— $17 $1,394 
Year Ended December 31, 2020
Equity-classified awards:
Restricted stock awards$974 $508 $40 $1,522 
Performance share units211 1,276 — 1,487 
Stock options22 — — 22 
Total share-based compensation expense1,207 1,784 40 3,031 
Less: Capitalized compensation expense(19)— — (19)
Share and incentive-based compensation expense, net$1,188 $1,784 $40 $3,012 
____________________
(1)Recorded in general and administrative expense in the accompanying consolidated statements of operations.
(2)Recorded in employee termination benefits in the accompanying consolidated statements of operations.