v3.26.1
Related parties (Details) - USD ($)
Dec. 31, 2025
Dec. 31, 2024
Total due from related parties
$ 63,316
$ 8,251
Dream Legal Group, Inc. [Member]
Total due from related parties
$ 45,493
$ 8,251
X
- References
No definition available.
+ Details
Name:
class_DueFromRelatedPartyTransactionAmountsOfTransaction
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: