XML 190 R58.htm IDEA: XBRL DOCUMENT v3.22.0.1
RETIREMENT PLANS (Narrative) (Details) - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Retirement plan [Member] | U.S. based employees [Member]    
Defined Contribution Plan Disclosure [Line Items]    
Contribution percentage by company 4.00%  
Contribution amount of company $ 29,119 $ 30,135
Provident fund [Member] | South African based employees [Member]    
Defined Contribution Plan Disclosure [Line Items]    
Contribution amount of company $ 43,679 $ 31,897
Provident fund [Member] | South African based employees [Member] | Minimum [Member]    
Defined Contribution Plan Disclosure [Line Items]    
Contribution percentage by company 4.50%