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Stock-Based Compensation (Tables)
3 Months Ended
Mar. 31, 2021
Share-based Payment Arrangement [Abstract]  
Unrecognized compensation expense is expected to be recognized At March 31, 2021, the Company had unrecognized compensation expense of $3,039 related to granted but unvested stock awards, which is to be recognized as follows:
Remainder of 2021$1,640 
2022868 
2023518 
202411 
2025
 Total$3,039 
Summary of restricted stock activity
The following table summarizes restricted stock activity under the Plans from December 31, 2020 through March 31, 2021:
 Number of
Shares
Weighted
Average
Unvested, December 31, 20201,886 $5.14 
Granted14 $3.07 
Vested(158)$9.73 
Forfeited(112)$6.58 
Unvested, March 31, 20211,630 $3.73