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Commitments and Contingencies (Details) - $ / shares | Mar. 19, 2026 | Sep. 19, 2025 | Mar. 26, 2025
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Commitments and Contingencies [Line Items] |  |  |
Common stock equal percentage |  |  | 90.00%
Bid price of per share (in Dollars per share) |  | $ 1 |
Number of consecutive business days |  | 30 years |
Number of calendar days |  | 180 days |
Public Held Shares [Member] |  |  |
Commitments and Contingencies [Line Items] |  |  |
Number of consecutive business days | 10 days |  |

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- Definition Common stock equal percentage. + References No definition available. + Details
Name: | klto_CommonStockEqualPercentage
Namespace Prefix: | klto_
Data Type: | dtr:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition The per share of minimum bid price. + References No definition available. + Details
Name: | klto_MinimumBidPricePerShare
Namespace Prefix: | klto_
Data Type: | dtr:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of calendar days to regain compliance. + References No definition available. + Details
Name: | klto_NumberOfCalendarDaysToRegainCompliance
Namespace Prefix: | klto_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of consecutive business days. + References No definition available. + Details
Name: | klto_NumberOfConsecutiveBusinessDays
Namespace Prefix: | klto_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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

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- Details
Name: | srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=klto_PublicHeldSharesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |