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Restricted Cash | 12 Months Ended
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Dec. 31, 2023
Restricted Cash [Abstract] |
Restricted Cash |
| 3. | RESTRICTED CASH
Restricted cash consist of the following:
|  | December 31, 202 3 |  |  | December 31, 202 2 |
Deposit for Bank acceptance bill |  | $ | 3,771 |  |  | $ | 3,835 |
Total |  | $ | 3,771 |  |  | $ | 3,835 |

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- Definition Restricted cash. + References No definition available. + Details
Name: | ncl_RestrictedCashTextBlock
Namespace Prefix: | ncl_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_RestrictedCashAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration