XML 69 R58.htm IDEA: XBRL DOCUMENT v3.24.2.u1

Bank Borrowings - Schedule of Weighted Average Interest Rate for the Short-Term Loan (Detail) - USD ($)	6 Months Ended
	Jun. 30, 2024	Dec. 31, 2023	Jun. 30, 2023
Short-Term Debt [Line Items]
Interest rate	4.70%		5.37%
Short-Term Debt	$ 4,471,427	$ 5,689,721
Industrial and Commercial Bank of China [Member]
Short-Term Debt [Line Items]
Loan period - Date of Issuance	Oct. 24, 2022
Loan period - Date of maturity	Jul. 17, 2024
Interest rate	4.35%
Short-Term Debt	$ 1,403,154	1,411,891
Industrial and Commercial Bank of China [Member]
Short-Term Debt [Line Items]
Loan period - Date of Issuance	Oct. 26, 2022
Loan period - Date of maturity	Aug. 17, 2024
Interest rate	4.35%
Short-Term Debt	$ 1,403,154	1,411,891
Bank of Communications [Member]
Short-Term Debt [Line Items]
Loan period - Date of Issuance	Jan. 28, 2022
Loan period - Date of maturity	Jan. 26, 2025
Interest rate	4.35%
Short-Term Debt	$ 0	488,514
Bank of Communications [Member]
Short-Term Debt [Line Items]
Loan period - Date of Issuance	Jan. 28, 2022
Loan period - Date of maturity	Jan. 26, 2025
Interest rate	4.35%
Short-Term Debt	$ 0	249,481
Jiangnan Rural Commercial Bank [Member]
Short-Term Debt [Line Items]
Loan period - Date of Issuance	May 09, 2022
Loan period - Date of maturity	Feb. 28, 2025
Interest rate	4.79%
Short-Term Debt	$ 378,852	381,211
Jiangnan Rural Commercial Bank [Member]
Short-Term Debt [Line Items]
Loan period - Date of Issuance	Mar. 24, 2022
Loan period - Date of maturity	Feb. 28, 2025
Interest rate	4.79%
Short-Term Debt	$ 883,987	889,491
Bank of America [Member]
Short-Term Debt [Line Items]
Loan period - Date of Issuance	Apr. 28, 2022
Loan period - Date of maturity	Apr. 30, 2025
(Prime rate) Interest rate	0.10%
Short-Term Debt	$ 402,280	$ 857,242

X

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Date the debt instrument was issued, in YYYY-MM-DD format.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22)(a))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B

+ Details

Name:	us-gaap_DebtInstrumentIssuanceDate1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22)(a)(2))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 4: http://www.xbrl.org/2003/role/exampleRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B

+ Details

Name:	us-gaap_DebtInstrumentMaturityDate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of borrowings from a bank classified as other, maturing within one year or operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(19)(a)(1))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16)(a)(1))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-04(13)(a)(1))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479170/946-210-S99-1

+ Details

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

X

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

X

- Definition

The portion of the carrying amount of short-term borrowings outstanding as of the balance sheet date which accrues interest at a set, unchanging rate.

+ References

No definition available.

+ Details

Name:	us-gaap_ShortTermDebtPercentageBearingFixedInterestRate
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	us-gaap_DebtInstrumentAxis=ncl_IndustrialAndCommercialBankOfChinaOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=ncl_IndustrialAndCommercialBankOfChinaTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=ncl_BankOfCommunicationsOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=ncl_BankOfCommunicationsTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=ncl_JiangnanRuralCommercialBankOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=ncl_JiangnanRuralCommercialBankTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=ncl_BankOfAmericaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: