Business acquisition, allocated net working capital.

No definition available.

Name:	amrh_BusinessAcquisitionsAllocatedNetWorkingCapital
Namespace Prefix:	amrh_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Earn-out payments, shares.

+ References

No definition available.

+ Details

Name:	amrh_BusinessCombinationContingentConsiderationLiabilityShares
Namespace Prefix:	amrh_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 30
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=116859721&loc=d3e6613-128477

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 30
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=116859721&loc=d3e6578-128477

+ Details

Name:	us-gaap_BusinessCombinationConsiderationTransferred1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of liability recognized arising from contingent consideration in a business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 35
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=116859824&loc=d3e6819-128478

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 25
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=6911189&loc=d3e6408-128476

+ Details

Name:	us-gaap_BusinessCombinationContingentConsiderationLiability
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of assets, excluding financial assets and goodwill, that lack physical substance, having a projected indefinite period of benefit, acquired at the acquisition date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=121647850&loc=d3e4845-128472

+ Details

Name:	us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIndefiniteLivedIntangibleAssets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed.

+ References

+ Details

Name:	us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571

+ Details

Name:	us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_BusinessAcquisitionAxis=amrh_AmeriGeorgiaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=amrh_BigtechSoftwarePrivateLimitedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=amrh_VirtuosoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=amrh_AmeriArizonaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=amrh_DCandMPartnersLLCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=amrh_LucidSolutionsIncAndHouskensLLCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=amrh_AmeriCaliforniaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=amrh_ATCGTechnologySolutionsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Business Combinations (Details Narrative) - USD ($)					12 Months Ended
Business Combinations (Details Narrative) - USD ($)	Mar. 10, 2017	Sep. 22, 2016	Jul. 29, 2016	Jun. 23, 2016	Dec. 31, 2017	Jan. 31, 2019	Jul. 22, 2016	Nov. 20, 2015
Ameri Georgia [Member]
Business acquisition, purchase price								$ 9,900,000
Business acquisition, allocated net working capital								4,600,000
Business acquisition, intangible assets								$ 1,800,000
Bigtech Software Private Limited [Member]
Business acquisition, purchase price				$ 900,000
Business acquisition, consideration payable, cash		$ 340,000		850,000
Earn-out payments, cash				$ 255,000
Virtuoso [Member]
Business acquisition, purchase price							$ 1,800,000
Business acquisition, intangible assets							$ 900,000
Earn-out payments, cash					$ 6,000
Earn-out payments, shares					12,408
Ameri Arizona [Member]
Business acquisition, purchase price			$ 15,800,000
Business acquisition, intangible assets			5,400,000
Ameri Arizona [Member] \| DC&M Partners, LLC [Member]
Business acquisition, purchase price			1,500,000
Earn-out payments, cash			$ 1,500,000
Equity method investment, ownership percentage			100.00%
Ameri Arizona [Member] \| Lucid Solutions Inc, and Houskens LLC [Member]
Business acquisition, consideration payable, cash			$ 3,000,000
Ameri California [Member]
Business acquisition, purchase price	$ 8,800,000
Business acquisition, intangible assets	3,800,000
Ameri California [Member] \| Lucid Solutions Inc, and Houskens LLC [Member]
Business acquisition, consideration payable, cash	$ 1,000,000
Earn-out payments, cash						$ 605,000
Earn-out payments, shares	11,334
Ameri California [Member] \| ATCG Technology Solutions [Member]
Business acquisition, purchase price	$ 8,800,000
Earn-out payments, cash	$ 1,200,000
Equity method investment, ownership percentage	100.00%