XML 57 R28.htm IDEA: XBRL DOCUMENT
v3.21.2

Summary of Significant Accounting Policies - Schedule of Potentially Dilutive Securities (Details) (10-K) - shares | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2021 | Mar. 31, 2020 | Dec. 31, 2020 | Dec. 31, 2019
Total potentially dilutive securities | 9,699,242 | 5,489,861 | 7,456,578 | 1,419,070
Warrants to Purchase Shares of Common Stock [Member] |  |  |  |
Total potentially dilutive securities | 5,979,611 | 1,504,593 | 3,251,406 | 303,891
Convertible Notes [Member] |  |  |  |
Total potentially dilutive securities |  | 380,920 |  | 55,306
Series B Preferred Stock [Member] |  |  |  |
Total potentially dilutive securities |  |  | 3,275,407 | 262,500
Options to Purchase Shares of Common Stock [Member] |  |  |  |
Total potentially dilutive securities | 369,361 | 3,604,348 | 929,765 | 797,373

X
- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
Name: | us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=amrh_WarrantsToPurchaseSharesOfCommonStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=us-gaap_ConvertibleDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=us-gaap_SeriesBPreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=amrh_OptionsToPurchaseSharesOfCommonStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |