XML 58 R29.htm IDEA: XBRL DOCUMENT
v3.21.2

Summary of Significant Accounting Policies - Schedule of Fair Value Hierarchy of Valuation Inputs on Recurring Basis (Details) - Fair Value, Recurring [Member] - Fair Value, Inputs, Level 3 [Member] | Mar. 31, 2021 USD ($)
--- | ---
Fair value | $ 6,168,000
Warrant Liabilities - January Warrants [Member] |
Fair value | 3,164,000
Warrant Liabilities - February Warrants [Member] |
Fair value | $ 3,004,000

X
- Definition Fair value of financial obligations, including, but not limited to, debt instruments, derivative liabilities, federal funds purchased and sold under agreements to repurchase, securities loaned or sold under agreements to repurchase, financial instruments sold not yet purchased, guarantees, line of credit, loans and notes payable, servicing liability, and trading liabilities. + References No definition available. + Details
Name: | us-gaap_FinancialLiabilitiesFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember
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: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=amrh_WarrantLiabilitiesJanuaryWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=amrh_WarrantLiabilitiesFebruaryWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |