Annual report pursuant to Section 13 and 15(d)

DERIVATIVE LIABILITY FOR AUTHORIZED SHARE DEFICIENCY - Stock options and warrants (Details)

v3.21.2
DERIVATIVE LIABILITY FOR AUTHORIZED SHARE DEFICIENCY - Stock options and warrants (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
Mar. 26, 2021
Feb. 17, 2021
May 26, 2021
Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items]      
Number of shares 733 780 700
Weighted average fair value per share $ 2.45 $ 4.60  
Fair value of derivative liability $ 1,796 $ 3,591 $ 1,800
Stock Options      
Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items]      
Number of shares 212 253  
Weighted average fair value per share $ 4.42 $ 6.46  
Fair value of derivative liability $ 935 $ 1,638  
Warrants      
Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items]      
Number of shares 521 527  
Weighted average fair value per share $ 1.65 $ 3.71  
Fair value of derivative liability $ 861 $ 1,953