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v3.26.1

Intangible assets (Details) | 12 Months Ended
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Dec. 31, 2025
Intangible Asset, Excluding Goodwill, after Accumulated Amortization [Abstract] |
Intangible assets include land use rights | 50 years

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- Definition Intangible assets include land use rights. + References No definition available. + Details
Name: | raya_IntangibleAssetsIncludeLandUseRights
Namespace Prefix: | raya_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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