XML 121 R90.htm IDEA: XBRL DOCUMENT
v3.20.2

Fair Value Measurement - Schedule of Financial Assets Measured at Fair Value (10-K) (Details) - USD ($) | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Warrant liability |  | $ 4,189,388
Contingent consideration |  | 605,223
Total |  | 4,794,611
Fair Value, Inputs, Level 1 [Member] |  |
Warrant liability |  |
Contingent consideration |  |
Total |  |
Fair Value, Inputs, Level 2 [Member] |  |
Warrant liability |  |
Contingent consideration |  |
Total |  |
Fair Value, Inputs, Level 3 [Member] |  |
Warrant liability |  | 4,189,388
Contingent consideration |  | 605,223
Total |  | $ 4,794,611

X
- Definition Contingent consideration. + References No definition available. + Details
Name: | amrh_ContingentConsiderationAtFairValue
Namespace Prefix: | amrh_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Value of warrant liability. + References No definition available. + Details
Name: | amrh_WarrantLiability
Namespace Prefix: | amrh_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Fair value of asset after deduction of liability. + References No definition available. + Details
Name: | us-gaap_FairValueNetAssetLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |