Related party transactions and balances (Details) - USD ($)	Dec. 31, 2020	Dec. 31, 2019
Due to related party	$ 30,407	$ 32,310
Due from related parties	12,750	0
PlanET China [Member]
Due to related party	30,407	32,310
Andreas Spiegler, CEO [Member] \| Principal Accounting Officer & Principal Financial Officer [Member]
Due from related parties	$ 12,750	$ 0

For an unclassified balance sheet, amounts due from related parties including affiliates, employees, joint ventures, officers and stockholders, immediate families thereof, and pension funds.

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-Publisher FASB
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Name:	us-gaap_DueFromRelatedParties
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant