Annual report pursuant to Section 13 and 15(d)

SIGNIFICANT RISKS AND UNCERTAINTIES (Details)

v3.22.0.1
SIGNIFICANT RISKS AND UNCERTAINTIES (Details)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2019
Revenue | Customer concentration | Customer One    
Concentration risk    
Concentration risk (in percent) 14.00% 17.00%