Quarterly report pursuant to Section 13 or 15(d)

SHARE-BASED COMPENSATION - Fair Value of options (Details)

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SHARE-BASED COMPENSATION - Fair Value of options (Details) - Stock Options
1 Months Ended 6 Months Ended
May 31, 2021
Jun. 30, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Risk-free interest rates 0.912% 3.61%
Expected life 5 years 5 years
Expected volatility 40.81% 41.00%
Expected dividend yield 0.00% 0.00%