RELATED PARTY TRANSACTIONS (Details) - Notes Payable - Related Party [Member] - USD ($)	3 Months Ended	12 Months Ended
Mar. 31, 2021	Dec. 31, 2021
Beginning Balance	$ 464,264	$ 501,675
Foreign currency translation	(9,229)	(37,411)
Ending Balance	$ 455,035	$ 464,264

Amount before tax of foreign currency transaction realized and unrealized gain recognized in the income statement.

No definition available.

Name:	cosm_ForeignCurrencyTranslationGainBeforeTax
Namespace Prefix:	cosm_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration