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v3.22.1

Fair Value Measurements (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2022 | Mar. 31, 2021 | Dec. 31, 2021
Fair Value Disclosures [Abstract] |  |  |
Public warrants per warrant | $ 0.42 |  | $ 0.6
Change in fair value of warrant liabilities | $ 2,413,500 | $ 0 | $ 1,077,750

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- Definition Public warrants per warrant. + References No definition available. + Details
Name: | claqu_PublicWarrantsPerWarrant
Namespace Prefix: | claqu_
Data Type: | dtr:perShareItemType
Balance Type: | na
Period Type: | instant

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

X
- Definition Amount of addition (reduction) to the amount at which a liability could be incurred (settled) in a current transaction between willing parties. + References No definition available. + Details
Name: | us-gaap_LiabilitiesFairValueAdjustment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration