General form of registration statement for all companies including face-amount certificate companies

SHAREHOLDERS' EQUITY - 2018 Warrants (Details)

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SHAREHOLDERS' EQUITY - 2018 Warrants (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2019
Jun. 09, 2021
Dec. 31, 2020
Dec. 01, 2020
Nov. 22, 2019
May 24, 2019
Class of Warrant or Right [Line Items]            
Number of warrants issued       16,357,703    
Common share purchase warrants per unit   1   1    
Warrant exercise price   $ 7.55   $ 0.78 $ 1.90  
Balance at the beginning $ 56          
Loss on revaluation 14          
Reclassification warrant fair value at exercise to equity $ (70)          
2018 Warrants            
Class of Warrant or Right [Line Items]            
Number of warrants issued     49,000      
Warrant exercise price           $ 0.50
Warrants exercised 44,600          
Warrants expired 4,400