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ORGANIZATION, NATURE OF BUSINESS AND GOING CONCERN (Details 1)	12 Months Ended
	Dec. 31, 2021
Vehicles [Member]
Estimated Useful Life	6 years
Furniture, fixtures and equipment [Member] | Minimum [Member]
Estimated Useful Life	5 years
Furniture, fixtures and equipment [Member] | Maximum [Member]
Estimated Useful Life	10 years
Computers and software [Member] | Minimum [Member]
Estimated Useful Life	3 years
Computers and software [Member] | Maximum [Member]
Estimated Useful Life	5 years
Machinery [Member]
Estimated Useful Life	20 years
Leasehold improvements and technical works [Member]
Estimated useful life, description	Lesser of lease term or 40 years

X

- Definition

Describes the periods of time over which an entity anticipates to receive utility from its property, plant and equipment (that is, the periods of time over which an entity allocates the initial cost of its property, plant and equipment).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 35
-Paragraph 4
-URI https://asc.fasb.org/extlink&oid=126905813&loc=d3e1205-110223

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	na
Period Type:	duration

X

- Definition

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

+ Details

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- Details

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Namespace Prefix:
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X

- Details

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Namespace Prefix:
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Balance Type:
Period Type:

X

- Details

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- Details

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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=cosm_MachineryMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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Namespace Prefix:
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