Price per share or per unit of warrants or rights outstanding.

No definition available.

Name:	netc_ClassOfWarrantOrRightPriceOfWarrantsOrRights
Namespace Prefix:	netc_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of maximum borrowing capacity of related party promissory note.

+ References

No definition available.

+ Details

Name:	netc_MaximumBorrowingCapacityOfRelatedPartyPromissoryNote
Namespace Prefix:	netc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The portion of Trust Account proceeds used to repay Working Capital Loans.

+ References

No definition available.

+ Details

Name:	netc_PortionOfTrustAccountProceedsUsedToRepayWorkingCapitalLoans
Namespace Prefix:	netc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The amount of borrowings under the working capital loan as at the end of the reporting period.

+ References

No definition available.

+ Details

Name:	netc_WorkingCapitalLoans
Namespace Prefix:	netc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of working capital loans convertible into warrants.

+ References

No definition available.

+ Details

Name:	netc_WorkingCapitalLoansConvertibleIntoWarrants
Namespace Prefix:	netc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount for accounts payable to related parties.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(k)(1))
-URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.15(5))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.17)
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

+ Details

Name:	us-gaap_AccountsPayableRelatedPartiesCurrentAndNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

+ References

+ Details

Name:	us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- 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

Name:	us-gaap_RelatedPartyTransactionLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_ClassOfWarrantOrRightAxis=netc_WorkingCapitalLoansWarrantMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=netc_PromissoryNoteWithRelatedPartyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=netc_AdministrativeSupportAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=netc_RelatedPartyLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

RELATED PARTY TRANSACTIONS - Additional Information (Details) - USD ($)			6 Months Ended
	Nov. 16, 2021	Mar. 26, 2021	Jun. 30, 2022
RELATED PARTY TRANSACTIONS
Outstanding balance of Working Capital Loans			$ 0
Working capital loans warrant
RELATED PARTY TRANSACTIONS
Amount of Trust Account proceeds used to repay Working Capital Loans			0
Promissory Note with Related Party
RELATED PARTY TRANSACTIONS
Maximum borrowing capacity of related party promissory note		$ 300,000
Administrative Support Agreement
RELATED PARTY TRANSACTIONS
Amount of expenses for office space, utilities, secretarial and administrative support reimbursable to related party	$ 15,000
Amounts due to Sponsor for administrative support costs			$ 45,000
Related Party Loans
RELATED PARTY TRANSACTIONS
Working capital loans convertible into warrants		$ 1,500,000
Price of warrant		$ 1.00