Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation (Tables)

v3.22.0.1
Stock-Based Compensation (Tables)
 12 Months Ended
Dec. 31, 2021
Share-based Payment Arrangement [Abstract]  
Schedule of stock option plans
    Years Ended December 31,  
    2021     2020  
    Number
of Shares		     Weighted
Average
Exercise
Price		     Number
of Shares		     Weighted
Average
Exercise
Price		  
Outstanding at beginning of year     207     $ 4.16       229     $ 4.15  
Options exercised     (124 )     3.74       (22 )     3.74  
Options expired     (9 )     12.90      
—
      
—
  
Outstanding at end of year     74     $ 3.74       207     $ 4.16  
Options exercisable at end of year     74     $ 3.74       207     $ 4.16  

 
Schedule of stock options outstanding
      Options Outstanding     Options Exercisable  
Range of
Exercise
Prices		     Number
Outstanding		     Weighted-
Average
Remaining
Contractual
Life (yrs.)		     Weighted-
Average
Exercise
Price		     Number
Exercisable		     Weighted-
Average
Exercise
Price		  
                                             
$ 3.74       74       1.46     $ 3.74       74     $ 3.74  

 
Schedule of unvested restricted stock activity
    Number of
Shares		     Weighted-
Average
Grant Date
Fair Value
Per Share		  
Unvested at December 31, 2019     2,201     $ 1.84  
Issued     1,663     $ 1.25  
Vested     (1,290 )   $ 2.08  
Canceled     (314 )   $ 1.33  
Unvested at December 31, 2020     2,260     $ 1.34  
Issued     750     $ 5.76  
Vested     (1,525 )   $ 1.64  
Canceled     (98 )   $ 2.77  
Unvested at December 31, 2021     1,387     $ 3.30  

 
Schedule of common stock at vesting aggregated
    Years Ended December 31,  
    2021     2020     2019  
Employees   $ 1,758     $ 2,025     $ 2,422  
Non-employees     1,125       654       387  
Total stock-based compensation expense   $ 2,883     $ 2,679     $ 2,809