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ORGANIZATION (Details)	9 Months Ended
ORGANIZATION (Details)	Sep. 30, 2018 Subsidiary
ORGANIZATION [Abstract]
Number of subsidiaries	11

Represents number of subsidiaries.

No definition available.

Name:	amrh_NumberOfSubsidiaries
Namespace Prefix:	amrh_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

No definition available.

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