Quarterly report pursuant to Section 13 or 15(d)

Stock Plans - Option activity (Details)

v3.21.2
Stock Plans - Option activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2021
Sep. 30, 2021
Dec. 31, 2020
Stock Plans      
Number of options Outstanding at December 31, 2020   28,000  
Shares, Granted 0 670,000  
Shares, Forfeited or expired   (6,000)  
Number of Options Outstanding at September 30, 2021 692,000 692,000 28,000
Shares, Exercisable at September 30, 2021 415,000 415,000  
Weighted Average Exercise Price, Outstanding at December 31, 2020   $ 242.70  
Weighted Average Exercise Price, Granted   4.02  
Weighted Average Exercise Price, Forfeited or expired   137.74  
Weighted Average Exercise Price, Outstanding at September 30, 2021 $ 12.46 12.46 $ 242.70
Weighted Average Exercisable at September 30, 2021 $ 18.08 $ 18.08  
Weighted Average Remaining Contractual Term, Outstanding (Years)   9 years 2 months 23 days 6 years 4 months 6 days
Weighted Average Remaining Contractual Term, Exercisable at end of year   9 years 1 month 24 days  
Aggregate Intrinsic Value, Outstanding at December 31, 2020   $ 0  
Aggregate Intrinsic Value, Outstanding at September 30, 2021 $ 0 0 $ 0
Aggregate Intrinsic Value, Exercisable at September 30, 2021 $ 0 $ 0