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Stock-Based Compensation (Tables)
 6 Months Ended
Jun. 30, 2022
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]  
Schedule of Total Stock-Based Compensation Expense
The Company recognized total stock-based compensation expense during the three and six months ended June 30, 2022 and 2021 as follows (table in thousands):
Three Months Ended
June 30,		Six Months Ended
June 30,
2022202120222021
Service-based awards:
Restricted stock units$26 $78 $37 $182 
Stock option awards72 344 272 735 
98 422 309 917 
Performance-based awards:
Restricted stock awards— — (391)(390)
Stock option awards— 11 — (330)
— 11 (391)(720)
Total$98 $433 $(82)$197 
Restricted stock awards  
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]  
Schedule of Restricted Stock Awards
A summary of the Company’s restricted stock awards during the six months ended June 30, 2022 is as follows:
Number of SharesWeighted Average
Grant-Date
Fair Value
Unvested at January 1, 20227,118 $62.70 
Forfeited(6,227)$62.70 
Unvested at June 30, 2022891 $62.70 
A summary of the Company’s restricted stock awards during the six months ended June 30, 2021 is as follows:
Number of SharesWeighted Average
Grant-Date
Fair Value
Unvested at January 1, 202113,345 $62.70 
Forfeited(6,227)$62.70 
Unvested at June 30, 20217,118 $62.70 
Restricted stock units - service based awards  
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]  
Schedule of Restricted Stock Awards
A summary of the Company’s service-based restricted stock units during the six months ended June 30, 2022 is as follows:
Number of SharesWeighted Average
Grant-Date
Fair Value
Unvested at January 1, 202229,289 $12.87 
Granted125,000 1.47 
Vested(23,515)11.33 
Forfeited(5,774)19.00 
Unvested at June 30, 2022125,000 $1.47 

A summary of the Company’s service-based restricted stock units during the six months ended June 30, 2021 is as follows:
Number of SharesWeighted Average
Grant-Date
Fair Value
Unvested at January 1, 202124,136 $28.60 
Granted28,186 9.90 
Vested(1,042)52.91 
Forfeited(20,134)26.18 
Unvested at June 30, 202131,146 $12.87 
Stock option awards - service based awards  
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]  
Schedule of Stock Option Assumptions
The fair value of the service-based stock options granted for the six months ended June 30, 2022 were based on the following assumptions:
June 30,
2022
Exercise price
$4.12
Expected stock price volatility
76.2%
Risk-free interest rate
1.98%
Term (years)
6.5
Schedule of Stock Options Activity
A summary of the Company’s service-based stock option activity for the six months ended June 30, 2022 is as follows:
Shares
Underlying
Options		Weighted
Average Exercise
Price		Weighted
Average
Remaining
Contractual
Term		Aggregate
Intrinsic
Value
Outstanding at January 1, 2022528,591 $32.01 7.5$— 
Granted909 4.07 9.5— 
Forfeited(24,488)15.00 — — 
Expired(81,695)83.32 — — 
Outstanding at June 30, 2022423,317 $23.03 7.8$— 
Exercisable at June 30, 2022227,412 $31.19 7.2$— 
A summary of the Company’s service-based stock option activity for the six months ended June 30, 2021 is as follows:
Shares
Underlying
Options		Weighted
Average Exercise
Price		Weighted
Average
Remaining
Contractual
Term		Aggregate
Intrinsic
Value
Outstanding at January 1, 2021519,814 $50.05 6.6$— 
Granted138,378 10.56 6.0— 
Forfeited(25,251)27.72 — — 
Expired(115,141)80.85 — — 
Outstanding at June 30, 2021517,800 $33.77 7.8$5,000 
Exercisable at June 30, 2021217,040 $57.75 5.8$—