XML 42 R30.htm IDEA: XBRL DOCUMENT
v3.22.2

Related Party Transactions (Details) - USD ($) |  |  |  | 1 Months Ended | 2 Months Ended | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Mar. 23, 2022 | Jul. 14, 2021 | Mar. 01, 2021 | Jun. 30, 2021 | Feb. 28, 2021 | Feb. 16, 2021 | Jul. 31, 2020 | Feb. 28, 2021 | Mar. 31, 2022 | Mar. 31, 2021 | Dec. 31, 2021 | Jul. 23, 2021
Related Party Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Stock split, description |  |  |  |  | In February 2021, the Company effected a 1.4375-for-1 stock split of its issued and outstanding shares of Common Stock, resulting in an aggregate of 4,312,500 Founder Shares issued and outstanding. |  |  |  |  |  |  |
Percentage of issued and outstanding |  |  |  |  |  |  |  | 20.00% |  |  | 20.00% |
Administrative services fees accrued |  | $ 10,000 |  |  |  |  |  |  | $ 30,000 | $ 0 |  |
Administrative service fees |  |  |  |  |  |  |  |  |  |  | $ 53,333 |
Aggregate principal amount | $ 267,000 |  |  |  |  |  |  |  |  |  |  |
Promissory note outstanding |  |  |  |  |  |  |  |  |  |  |  | $ 188,302
Related party loans, description |  |  |  |  |  |  |  |  | The notes would either be paid upon consummation of the Company’s initial Business Combination, without interest, or, at the lender’s discretion, up to $500,000 of the notes may be converted upon consummation of the Business Combination into additional private warrants to purchase shares of common stock at a conversion price of $1.00 per private warrant (which, for example, would result in the holders being issued private warrants to purchase 500,000 shares of common stock if $500,000 of notes were so converted). |  | The notes would either be paid upon consummation of the Company’s initial Business Combination, without interest, or, at the lender’s discretion, up to $500,000 of the notes may be converted upon consummation of the Business Combination into additional private warrants to purchase shares of Common Stock at a conversion price of $1.00 per private warrant (which, for example, would result in the holders being issued private warrants to purchase 500,000 shares of Common Stock if $500,000 of notes were so converted). |
Related party extension loans |  |  |  |  |  |  |  |  |  |  | In order to extend the time available for the Company to consummate a Business Combination, without the need for a separate stockholder vote, is for the Company’s initial stockholders or their affiliates or designees, upon five days’ advance notice prior to the application deadline, to deposit into the trust account $1,500,000 or $1,725,000 if the underwriters’ over-allotment option is exercised in full ($0.10 per public share, or an aggregate of $3,000,000 (or $3,450,000 if the over-allotment option is exercised in full) if extended for each of the full three months), on or prior to the date of the application deadline. In the event that the stockholders, or affiliates or designees, elect to extend the time to complete the Company’s initial business combination and deposit the applicable amount of money into trust, the initial stockholders will receive a non-interest bearing, unsecured promissory note equal to the amount of any such deposit that will not be repaid in the event that the Company is unable to close a business combination unless there are funds available outside the trust account to do so. Such note would be paid upon consummation of the Company’s initial Business Combination. |
Aggregate founder shares (in Shares) |  |  |  |  |  |  |  | 4,312,500 |  |  |  |
Promissory note |  |  |  |  |  |  |  |  | $ 267,000 |  |  |
Business combination description |  |  |  |  |  |  |  |  | In order to extend the time available for the Company to consummate a Business Combination, without the need for a separate stockholder vote, is for the Company’s initial stockholders or their affiliates or designees, upon five days’ advance notice prior to the application deadline, to deposit into the trust account $1,500,000 or $1,725,000 if the underwriters’ over-allotment option is exercised in full ($0.10 per public share, or an aggregate of $3,000,000 (or $3,450,000 if the over-allotment option is exercised in full) if extended for each of the full three months), on or prior to the date of the application deadline. |  |  |
IPO [Member] |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Aggregate principal amount |  |  | $ 250,000 |  |  |  | $ 5,000,000 |  |  |  |  |
Founder Shares [Member] |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Common stock shares issued (in Shares) |  |  |  |  |  |  | 5,000,000 |  |  |  |  |
Aggregate price of common stock |  |  |  |  |  |  | $ 25,000 |  |  |  |  |
Aggregate of shares issued and outstanding (in Shares) |  |  |  |  | 4,312,500 |  |  |  |  |  |  |
Aggregate shares of common stock subject to forfeiture (in Shares) |  |  |  |  |  |  |  | 562,500 |  |  | 562,500 |
Founder shares, description |  |  |  | In June 2021, CleanTech Sponsor and CleanTech Investments forfeited for no consideration 1,916,667 founder shares and 958,333 founder shares, respectively, which the Company cancelled, resulting in a decrease in the total number of founder shares outstanding from 7,187,500 shares to 4,312,500 shares. As a result, CleanTech Sponsor owns 2,875,000 founder shares and CleanTech Investments owns 1,437,500 founder shares. The founder shares include an aggregate of up to 562,500 shares that are subject to forfeiture to the extent that the underwriters’ over-allotment option is not exercised in full or in part. |  |  |  |  |  |  |  |
CleanTech Investments LLC [Member] | Founder Shares [Member] |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Founder shares, description |  |  |  |  |  | On February 16, 2021, CleanTech Sponsor paid $16,667 to the Company, which amount was paid to CleanTech Investments LLC to cancel 4,791,667 of its Founder Shares that it previously held and immediately thereafter the Company issued 4,791,667 Founders Shares to CleanTech Sponsor. As a result, CleanTech Sponsor owns 4,791,667 Founders Shares and CleanTech Investments LLC owns 2,395,833 Founder Shares. CleanTech Sponsor and CleanTech Investments LLC will both participate in the purchase of the Private Warrants based their pro rata ownership of Founder Shares. |  |  |  |  |  |

X
- Definition Aggregate founder shares. + References No definition available. + Details
Name: | claqu_AggregateFounderShares
Namespace Prefix: | claqu_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Aggregate of shares issued and outstanding. + References No definition available. + Details
Name: | claqu_AggregateOfSharesIssuedAndOutstanding
Namespace Prefix: | claqu_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Aggregate shares of common stock subject to forfeiture. + References No definition available. + Details
Name: | claqu_AggregateOfSharesOfCommonStockSubjectToForfeiture
Namespace Prefix: | claqu_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Aggregate price of common stock. + References No definition available. + Details
Name: | claqu_AggregatePriceOfCommonStock
Namespace Prefix: | claqu_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Aggregate principal amount + References No definition available. + Details
Name: | claqu_AggregatePrincipalAmount
Namespace Prefix: | claqu_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The entire description of founder shares. + References No definition available. + Details
Name: | claqu_FounderSharesDescription
Namespace Prefix: | claqu_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | claqu_PercentageOfIssuedAndOutstanding
Namespace Prefix: | claqu_
Data Type: | dtr:percentItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | claqu_RelatedPartyExtensionLoansDescription
Namespace Prefix: | claqu_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | claqu_RelatedPartyTransactionsDetailsLineItems
Namespace Prefix: | claqu_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of expense for administrative services provided to the limited liability company (LLC) or limited partnership (LP) by the managing member or general partner, affiliate of managing member or general partner, or affiliate of LLC or LP, for example, but not limited to, salaries, rent, or overhead costs. + 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 -URI https://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 + Details
Name: | us-gaap_AdministrativeFeesExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Description of receivable acquired in business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=128092470&loc=d3e4845-128472 + Details
Name: | us-gaap_BusinessCombinationAcquiredReceivablesDescription
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Including the current and noncurrent portions, carrying amount of debt identified as being convertible into another form of financial instrument (typically the entity's common stock) as of the balance sheet date, which originally required full repayment more than twelve months after issuance or greater than the normal operating cycle of the company. + References Reference 1: 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(a)(16)) -URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 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(16)) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 + Details
Name: | us-gaap_ConvertibleDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Identification of the lender and information about a contractual promise to repay a short-term or long-term obligation, which includes borrowings under lines of credit, notes payable, commercial paper, bonds payable, debentures, and other contractual obligations for payment. This may include rationale for entering into the arrangement, significant terms of the arrangement, which may include amount, repayment terms, priority, collateral required, debt covenants, borrowing capacity, call features, participation rights, conversion provisions, sinking-fund requirements, voting rights, basis for conversion if convertible and remarketing provisions. The description may be provided for individual debt instruments, rational groupings of debt instruments, or by debt in total. + References Reference 1: 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(16)) -URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21475-112644 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(16)) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 5: 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(13)) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=123599511&loc=d3e64711-112823 + Details
Name: | us-gaap_DebtInstrumentDescription
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amounts due from parties associated with the reporting entity as evidenced by a written promise to pay, due after 1 year (or 1 business cycle). + References Reference 1: 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 https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 Reference 2: 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 https://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 + Details
Name: | us-gaap_NotesReceivableRelatedPartiesNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount paid to managing member or general partner, affiliate of managing member or general partner, or affiliate of limited liability company (LLC) or limited partnership (LP) for administrative services provided to the LLC or LP, for example, but not limited to, salaries, rent, or overhead costs. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 17 -Subparagraph (f) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3367-108585 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 + Details
Name: | us-gaap_PaymentForAdministrativeFees
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Number of shares of stock issued as of the balance sheet date, including shares that had been issued and were previously outstanding but which are now held in the treasury. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21463-112644 + Details
Name: | us-gaap_SharesIssued
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Description of the stock split arrangement. Also provide the retroactive effect given by a stock split that occurs after the balance date but before the release of financial statements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 4.C) -URI https://asc.fasb.org/extlink&oid=120397183&loc=d3e187143-122770 + Details
Name: | us-gaap_StockholdersEquityNoteStockSplit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=us-gaap_IPOMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_OwnershipAxis=claqu_FounderSharesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionAxis=claqu_CleanTechInvestmentsLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |