XML 84 R54.htm IDEA: XBRL DOCUMENT
v3.25.3

Related parties (Details) - USD ($) | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Total due from related parties | $ 3,805 |
Total due from related parties | 1,830 | $ 8,251
Dream Legal Group, Inc. [Member] |  |
Total due from related parties | $ 3,805 | $ 8,251

X
- References No definition available. + Details
Name: | class_AmountDueFromRelatedPartyCurrent
Namespace Prefix: | class_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | class_DueFromRelatedPartyCurrent
Namespace Prefix: | class_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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