2. Organization and Business Background (Details)	9 Months Ended
	Sep. 30, 2019
Lee Tat International Holdings Limited [Member]
Ownership percentage	100.00%
Place of incorporation	British Virgin Islands
Principal activities	Investment holding
Registered share capital	50,000 shares at US$1 each
Lee Tat Transporation International Limited [Member]
Ownership percentage	100.00%
Place of incorporation	Hong Kong
Principal activities	Logistic and delivery
Registered share capital	10,000 ordinary shares at HK$10,000
Cosmos Robotor Holdings Limited [Member]
Ownership percentage	100.00%
Place of incorporation	British Virgin Islands
Principal activities	Investment Holding
Registered share capital	50,000 shares at US$0.001 each
AiTeach International Limited [Member]
Ownership percentage	100.00%
Place of incorporation	Hong Kong
Principal activities	AI Business
Registered share capital	10,000 ordinary shares for HK$100
Hong Kong Healthtech Limited [Member]
Ownership percentage	51.00%
Place of incorporation	Hong Kong
Principal activities	AI Business
Registered share capital	5,100 ordinary shares for HK$5,100
Cosmos Robotor AI Education (Schenzhen) Limited [Member]
Ownership percentage	100.00%
Place of incorporation	The People's Republic of China
Principal activities	Education service
Registered share capital	N/A