Quarterly report pursuant to Section 13 or 15(d)

Stock Plans - Option activity (Details)

v3.21.1
Stock Plans - Option activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2021
Dec. 31, 2020
Stock Plans    
Number of options Outstanding at December 31, 2020 28,000  
Shares, Granted 670,000  
Shares, Forfeited or expired (1,000)  
Number of Options Outstanding at March 31, 2021 697,000 28,000
Shares, Exercisable at March 31, 2021 26,000  
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 74.92  
Weighted Average Exercise Price, Outstanding at March 31, 2021 13.46 $ 242.70
Weighted Average Exercisable at March 31, 2021 $ 254.22  
Weighted Average Remaining Contractual Term, Outstanding (Years) 9 years 8 months 19 days 6 years 4 months 6 days
Weighted Average Remaining Contractual Term, Exercisable at end of year 5 years 11 months 19 days  
Aggregate Intrinsic Value, Outstanding at December 31, 2020 $ 0  
Aggregate Intrinsic Value, Outstanding at March 31, 2021 0 $ 0
Aggregate Intrinsic Value, Exercisable at March 31, 2021 $ 0