XML 48 R38.htm IDEA: XBRL DOCUMENT v3.21.2
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Share-based compensation (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2021
Share-based compensation expense $ 1,345,915 $ 1,345,915
General and administrative    
Share-based compensation expense $ 1,345,915 $ 1,345,915