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Stock-Based Compensation (Tables)
 9 Months Ended
Sep. 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 nine months ended September 30, 2022 and 2021 as follows (table in thousands):
Three Months Ended
September 30,		Nine Months Ended
September 30,
2022202120222021
Service-based awards:
Restricted stock units$46 $81 $84 $263 
Stock option awards130 315 401 1,050 
176 396 485 1,313 
Performance-based awards:
Restricted stock awards— — (391)(391)
Stock option awards— (35)— (364)
— (35)(391)(755)
Total$176 $361 $94 $558 
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 nine months ended September 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 September 30, 2022891 $62.70 
A summary of the Company’s restricted stock awards during the nine months ended September 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 September 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 nine months ended September 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 September 30, 2022125,000 $1.47 

A summary of the Company’s service-based restricted stock units during the nine months ended September 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(20,134)26.18 
Forfeited(1,073)52.91 
Unvested at September 30, 202131,115 $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 nine months ended September 30, 2022 were based on the following assumptions:
September 30,
2022
Exercise price
$1.28 - $1.66
Expected stock price volatility
76.2% - 78.5%
Risk-free interest rate
1.97% - 3.44%
Term (years)
5.5 - 6
Schedule of Stock Options Activity
A summary of the Company’s service-based stock option activity for the nine months ended September 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 $32.01 7.5$— 
Granted898,659 1.49 5.5— 
Forfeited(30,093)15.11 — — 
Expired(85,466)82.09 — — 
Outstanding at September 30, 20221,311,691 $8.23 9.1$— 
Exercisable at September 30, 2022243,973 $29.31 6.9$— 
A summary of the Company’s service-based stock option activity for the nine months ended September 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 $50.05 6.6$— 
Granted170,197 9.79 6.0— 
Forfeited(35,025)25.30 — — 
Expired(121,202)78.76 — — 
Outstanding at September 30, 2021533,784 $32.45 7.7$— 
Exercisable at September 30, 2021230,858 $54.56 5.8$—