XML 159 R139.htm IDEA: XBRL DOCUMENT v3.23.3
STOCK BASED COMPENSATION, Stock-based compensation expense (Details) - USD ($)
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Employees      
Stock-based compensation expense      
Stock-based compensation expense $ 215,227 $ 71,068 $ 181,190
Third-party consultant      
Stock-based compensation expense      
Stock-based compensation expense 26,893 12,776  
Cost of revenues | Employees      
Stock-based compensation expense      
Stock-based compensation expense 8,978 19,419 16,150
General and administrative expenses | Employees      
Stock-based compensation expense      
Stock-based compensation expense 190,295 48,942 161,881
General and administrative expenses | Third-party consultant      
Stock-based compensation expense      
Stock-based compensation expense 26,893 12,776  
Selling and marketing expenses | Employees      
Stock-based compensation expense      
Stock-based compensation expense $ 15,954 $ 2,707 $ 3,159