Quarterly report pursuant to Section 13 or 15(d)

Summary of Shareholders Equity Warrants Outstanding (Details)

v3.22.1
Summary of Shareholders Equity Warrants Outstanding (Details) - shares
shares in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Equity [Abstract]      
Shares Outstanding, beginning 988 1,328  
Shares Issued  
Shares Exercised (320)  
Shares Tendered  
Shares Expired (20)  
Shares Tendered  
Shares Outstanding, ending 988 [1] 988 1,328
[1] Weighted average exercise price for outstanding warrants is $0.56.