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Stockholders' Equity (Details)	Apr. 01, 2024 Director
Stockholders’ Equity [Abstract]
Number of directors	2

Number of directors who are owning and controlling an affiliated entity.

No definition available.

Name:	abcp_NumberOfDirectors
Namespace Prefix:	abcp_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

No definition available.

Name:	us-gaap_StockholdersEquityNoteAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration