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Income (Loss) Per Share (Tables)
3 Months Ended
Mar. 31, 2021
Earnings Per Share [Abstract]  
Summary of Shares Equivalents Excluded from Dilutive Share Computation
The following share equivalents have been excluded from the continuing operations dilutive share computation for the three months ended March 31, 2021 and 2020 as their inclusion would be anti-dilutive:
Three Months Ended March 31,
20212020
Restricted stock awards
— 174 
Stock options
46 255 
Warrants
149 726 
195 1,155