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Note 17 - Income (Loss) Per Share (Details Textual) | Dec. 31, 2024 shares
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Statement Line Items [Line Items] |
Stockholders equity, reverse stock split, ratio (in shares) | 4

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- References No definition available. + Details
Name: | elbm_Statement1LineItems
Namespace Prefix: | elbm_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition The reverse stock split ratio. + References No definition available. + Details
Name: | elbm_StockholdersEquityReverseStockSplitRatio
Namespace Prefix: | elbm_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration