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Basic and Diluted Earnings per Common Share (Tables)
12 Months Ended
Dec. 31, 2021
Basic and Diluted Earnings per Common Share [Abstract]  
Computation of Diluted Net Loss per Common Share The following table shows the amount of stock options, RSUs and convertible preferred stock that were excluded from the computation of diluted net loss per common share for the year ended December 31, 2021, as their effect was anti-dilutive:


 
Year ended
December 31, 2021
 
Stock options
 
 
3,988,000
 
RSUs
 
 
240,000
 
Preferred stock converted into common stock
 
 
42,000
 
Total potential common shares excluded from computation
 
 
4,270,000