XML 64 R54.htm IDEA: XBRL DOCUMENT v3.22.2
Income Taxes (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2021
Other income (expense)    
Operating Loss Carryforwards [Line Items]    
Refund for withholding taxes paid $ 71,000 $ 71,000