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SUMMARY OF SIGNIFICANT ACCOUNTING POLICY (Details - Property useful lives)	12 Months Ended
	Dec. 31, 2022
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment useful lives	Shorter of the remaining lease terms and estimated useful lives
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property and equipment useful lives	5 years
Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment useful lives	3 years
Machinery [Member]
Property, Plant and Equipment [Line Items]
Property and equipment useful lives	5 years
Vehicles [Member]
Property, Plant and Equipment [Line Items]
Property and equipment useful lives	5 years

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- References

No definition available.

+ Details

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Namespace Prefix:	NCRA_
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Balance Type:	na
Period Type:	duration

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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- Details

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Namespace Prefix:
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Balance Type:
Period Type:

X

- Details

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

X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_EquipmentMember
Namespace Prefix:
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Balance Type:
Period Type:

X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=NCRA_MachineryMember
Namespace Prefix:
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Balance Type:
Period Type:

X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_VehiclesMember
Namespace Prefix:
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Balance Type:
Period Type: