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Stock-Based Compensation (Tables)
 12 Months Ended
Dec. 31, 2021
Stock-Based Compensation [Abstract]  
Restricted Stock Units
During the years ended December 31, 2021 and 2020, we issued RSUs to employees which vest upon the achievement of specific market-based or time-based measures. The fair value for RSU's is calculated based on the stock price on the grant date and expensed ratably over the requisite service period as market-based results achieved, which ranges between one year and five years. The following table summarizes the information about vested and unvested restricted stock units for the years ended December 31, 2021 and 2020.


  
Number of Shares
    
Weighted Average
Fair Value
  
             
Nonvested RSUs at January 1, 2020
    
1,973,725
    
$
1.49
  
RSUs granted
    
689,000
      
1.09
  
RSUs forfeited
    
(534,052
)
    
2.49
  
RSUs vested
    
(408,941
)
    
1.67
  
                 
Nonvested RSUs at December 31, 2020
    
1,719,732
    
$
1.36
  
                 
Nonvested RSUs at January 1, 2021
    
1,719,732
    
$
1.36
  
RSUs granted
    
983,661
      
1.69
  
RSUs forfeited
    
(631,367
)
    
0.88
  
RSUs vested
    
(476,361
)
    
1.71
  
                 
Nonvested RSUs at December 31, 2021
    
1,595,665
    
$
1.77