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Commitments and Contingencies (Additional Information) (Details) | Dec. 22, 2021 USD ($)
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Commitments and Contingencies Disclosure [Abstract] |
Secured Loan default judgment | $ 7,984,180

X
- Definition Secured Loan default judgment + References No definition available. + Details
Name: | nick_SecuredLoanDefaultJudgment
Namespace Prefix: | nick_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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