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v3.22.1

Note 1 - General Business (Details Textual) - USD ($) $ in Millions | 1 Months Ended |
--- | --- | ---
Jul. 31, 2022 | May 31, 2022 | Mar. 31, 2022
Liquidity |  |  | $ 20.6
Convertible Debt [Member] | Four Board Members and One Unrelated Party [Member] | Subsequent Event [Member] |  |  |
Proceeds from Issuance of Long-Term Debt, Total |  | $ 10.0 |
Hoosier Energy [Member] | Forecast [Member] |  |  |
Long-Term Contract for Purchase of Electric Power, Term (Year) | 3 years 6 months |  |

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- Definition Represents the Length of the term for the contract to purchase electric power. + References No definition available. + Details
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Namespace Prefix: | hnrg_
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X
- Definition The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3255-108585 + Details
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- Details
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- Details
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- Details
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- Details
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Namespace Prefix: |
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Period Type: |

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- Details
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Balance Type: |
Period Type: |