Annual report pursuant to Section 13 and 15(d)

Schedule of Share-based Compensation, Stock Options, Activity (Details)

v3.22.1
Schedule of Share-based Compensation, Stock Options, Activity (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Option Indexed to Issuer's Equity [Line Items]    
Number of Shares Available for Grant, Beginning 2,263  
Total Options Outstanding, Beginning 1,780  
Number of Shares Available for Grant, Ending 7,543 2,263
Total Options Outstanding, Ending 2,473 1,780
Share-based Payment Arrangement, Option [Member]    
Option Indexed to Issuer's Equity [Line Items]    
Number of Shares Available for Grant, Beginning 2,263 3,588
Total Options Outstanding, Beginning 1,780 931
Weighted Average Exercise Price Outstanding, Beginning $ 2.53 $ 4.14
Aggregate Intrinsic Value, Beginning $ 29
Number of Shares Available for Grant, Granted (1,037) (928)
Total Options Outstanding, Granted 1,037 928
Weighted Average Exercise Price, Granted $ 1.11 $ 1.33
Aggregate Intrinsic Value, Granted $ 29,000
Number of Shares Available for Grant, Expired 976 (476)
Number of Shares Available for Grant, Cancelled 341 79
Total Options Outstanding, Cancelled (344) (79)
Weighted Average Exercise Price, Cancelled $ 2.18 $ 7.37
Number of Shares Available for Grant, Increase in authorized options 5,000  
Number of Shares Available for Grant, Ending 7,543 2,263
Total Options Outstanding, Ending 2,473 1,780
Weighted Average Exercise Price, Ending $ 1.98 $ 2.53
Aggregate Intrinsic Value, Ending $ 29