Annual report pursuant to Section 13 and 15(d)

Note 13 - Stockholders' Equity - Stock-based Compensation Plan Activity (Details)

v3.20.4
Note 13 - Stockholders' Equity - Stock-based Compensation Plan Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 1 Months Ended 12 Months Ended
Dec. 31, 2020
Aug. 31, 2020
Jan. 31, 2019
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2020
Options, Outstanding (in shares)     1,694,068 3,463,692 1,694,068  
Forfeited (in shares)       2,253,925 564,873  
Options, Outstanding, Weighted Average Exercise Price (in dollars per share) $ 3.89     $ 3.89 $ 3.71  
Outstanding, Intrinsic Value           $ 434
Options, Outstanding, Weighted Average Exercise Price (in dollars per share)     $ 4.57 $ 3.71 $ 4.57  
Options, Forfeited (in shares)       (2,076,019) (427,450)  
Vested and exercisable (in shares)           1,068,284
Granted (in shares)       (8,056,280) (3,468,296)  
Options, Exercised/ Released (in shares)       0 0  
Options, Forfeited, Weighted Average Exercise Price (in dollars per share)       $ 3.59 $ 4.46  
Outstanding (in shares) 1,387,673   1,694,068 1,387,673 3,463,692 1,387,673
Vested and exercisable, Weighted Average Exercise Price (in dollars per share)           $ 3.80
Authorized (in shares)       7,000,000 4,500,000  
Options, Granted (in shares)       0 2,197,074  
Options, Exercised/ Released, Weighted Average Exercise Price (in dollars per share)       $ 0 $ 0  
Number of shares available for grant (in shares) 3,398,870     3,398,870 2,402,326  
Outstanding, Weighted Average Exercise Price (in dollars per share) $ 3.89   $ 4.57 $ 3.89 $ 3.71 $ 3.89
Vested and exercisable, Weighted Average Remaining Contractual Term (Year)       1 year 10 months 6 days    
Number of shares available for grant (in shares)     805,749 2,402,326 805,749  
Options, Granted, Weighted Average Exercise Price (in dollars per share)       $ 0 $ 3.19  
Issued to fulfill obligations for separation agreements (in shares)       (201,101)    
Options, Outstanding (in shares) 1,387,673     1,387,673 3,463,692  
Outstanding, Weighted Average Remaining Contractual Term (Year)       1 year 11 months 23 days    
Vested and exercisable, Intrinsic Value           $ 400
Restricted Stock Units (RSUs) [Member]            
RSUs, Granted (in shares) 1,714,252 367,500 263,660 8,056,280 1,271,222  
RSUs, Exercised/ Released, Weighted Average Grant Date Fair Value (in dollars per share)       $ 0.72 $ 1.63  
RSUs, Granted, Weighted Average Grant Date Fair Value (in dollars per share)       $ 0.64 $ 1.52  
RSUs, Outstanding (in shares) 5,624,166     5,624,166 259,792  
RSUs, Outstanding (in shares)     96,623 259,792 96,623  
RSUs, Outstanding, Weighted Average Grant Date Fair Value (in dollars per share) $ 0.66     $ 0.66 $ 1.83  
RSUs, Outstanding, Weighted Average Grant Date Fair Value (in dollars per share)     $ 4.01 $ 1.83 $ 4.01  
RSUs, Forfeited (in shares)       (177,906) (137,423)  
RSUs, Exercised/ Released (in shares)       (2,514,000) (970,630)  
RSUs, Forfeited, Weighted Average Grant Date Fair Value (in dollars per share)       $ 0.50 $ 1.85