v3.25.1
Pension plan (Details Narrative)
¥ in Thousands
12 Months Ended
Dec. 31, 2024
USD ($)
Dec. 31, 2024
CNY (¥)
Dec. 31, 2023
USD ($)
Dec. 31, 2023
CNY (¥)
Dec. 31, 2022
USD ($)
Dec. 31, 2022
CNY (¥)
Description related to pension plan all employees were entitled to pension benefits equal to their own contributions plus 50% to 100% of individual fund account balances contributed by Far East, depending on their years of service with Far East. Far East was required to make specific contributions at approximately 10% of the basic salaries of the employees to an independent fund management company all employees were entitled to pension benefits equal to their own contributions plus 50% to 100% of individual fund account balances contributed by Far East, depending on their years of service with Far East. Far East was required to make specific contributions at approximately 10% of the basic salaries of the employees to an independent fund management company        
Contributions percentage of basic salary for pension scheme 16.00% 16.00%        
Aggregate contributions to pension plans and retirement benefit schemes | $ $ 191,000   $ 192,000   $ 302,000  
ZHEJIANG TIANLAN            
Aggregate contributions to pension plans and retirement benefit schemes | ¥   ¥ 3,710,000   ¥ 2,766,000   ¥ 2,691,000
ZHEJIANG TIANLAN | Bottoms            
Contributions percentage of basic salary for pension scheme     12.00% 12.00%    
ZHEJIANG TIANLAN | Tops            
Contributions percentage of basic salary for pension scheme     14.00% 14.00%