Annual report pursuant to Section 13 and 15(d)

Stock-based compensation. (Tables)

v3.21.1
Stock-based compensation. (Tables)
12 Months Ended
Dec. 31, 2020
Share-based Payment Arrangement [Abstract]  
Schedule of option activity
    Years Ended December 31,  
    2020     2019  
    Number
of Shares
    Weighted
Average
Exercise Price
    Number
of Shares
    Weighted
Average
Exercise Price
 
Outstanding at beginning of year     229     $ 4.15       229     $ 4.15  
Options exercised     (22 )     3.74              
Outstanding at end of year     207     $ 4.16       229     $ 4.15  
Options exercisable at end of year     207     $ 4.16       229     $ 4.15  
Schedule of stock options by exercise price range
      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       197       2.47     $ 3.74       197     $ 3.74  
$ 12.90       10       0.59     $ 12.90       10     $ 12.90  
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  
Schedule of stock-based compensation expense
    Years Ended December 31,  
    2020     2019  
Employees   $ 2,025     $ 2,422  
Non-employees     654       387  
Total stock-based compensation expense   $ 2,679     $ 2,809