Quarterly report pursuant to Section 13 or 15(d)

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

v3.22.1
Schedule of Share-based Compensation, Stock Options, Activity (Details) - Share-Based Payment Arrangement, Option [Member]
shares in Thousands
 3 Months Ended
Mar. 31, 2022
USD ($)
$ / shares
shares
Option Indexed to Issuer's Equity [Line Items]  
Number of Shares Available for Grant, Beginning 7,543
Total Options Outstanding, Beginning 2,473
Weighted Average Exercise Price, Outstanding, Beginning | $ / shares $ 1.98
Aggregate Intrinsic Value, Beginning | $
Number of Shares Available for Grant, Increase in authorized options
Number of Shares Available for Grant, Granted
Total Options Outstanding, Granted
Weighted Average Exercise Price, Granted | $ / shares
Aggregate Intrinsic Value, Granted | $ / shares
Number of Shares Available for Grant, Expired
Number of Shares Available for Grant, Cancelled
Total Options Outstanding, Cancelled (7)
Weighted Average Exercise Price, Cancelled | $ / shares $ 3.30
Number of Shares Available for Grant, Ending 7,543
Total Options Outstanding, Ending 2,466
Weighted Average Exercise Price, Outstanding, Ending | $ / shares $ 1.98
Aggregate Intrinsic Value, Ending | $