Organization and principal activities (Details Narrative) - $ / shares	1 Months Ended
	Oct. 21, 2020	Dec. 31, 2021
Series C Preferred Shares [Member] | M R Zheng [Member]
Business acquisition, shares issued	900,000
Series C Preferred Shares [Member] | Q D M Holdings Limited [Member]
Shares issued price per share		$ 0.0001
Common Stock [Member] | Q D M Holdings Limited [Member]
Shares issued price per share		$ 0.0001