Annual report pursuant to Section 13 and 15(d)

Warrants (Details)

v3.22.2
Warrants (Details) - $ / shares
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Outstanding at beginning of year 77,262    
Outstanding at end of year 41,216 77,262  
Weighted Average Remaining Term in Years, Outstanding     1 year 5 months 26 days
Warrant      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Outstanding at beginning of year 2,726,700 2,875,006  
Issued 4,098,965 25,000  
Exercised (10,417) (45,417)  
Expired (58,068)    
Expired   (127,889)  
Outstanding at end of year 6,757,180 2,726,700 2,875,006
Weighted Average Exercise Price, Outstanding at beginning of year $ 8.41 $ 14.14  
Weighted Average Exercise Price, Issued 3.39 12.50  
Weighted Average Exercise Price, Exercised 4.80 4.80  
Weighted Average Exercise Price, Expired 52.50 139.28  
Weighted Average Exercise Price, Outstanding at end of year $ 4.99 $ 8.41 $ 14.14
Weighted Average Remaining Term in Years, Outstanding 3 years 5 months 1 day 2 years 5 months 12 days 3 years 4 months 13 days
Weighted Average Remaining Term in Years, Issued 4 years 8 months 4 days 4 years 3 days  
Weighted Average Remaining Term in Years, Exercised 1 year 3 months 14 days 2 years 3 months 14 days  
Weighted Average Remaining Term in Years, Expired 0 years 0 years