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v3.23.1

LEASES (Narrative) (Details) | 12 Months Ended
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Dec. 31, 2022
Lessee Disclosure [Abstract] |
Remaining lease term | 5 years 2 months 12 days
Extended period of lease term | 5 years

X
- Definition Extended period of lease term + References No definition available. + Details
Name: | eltk_ExtendedPeriodOfLeaseTerm
Namespace Prefix: | eltk_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Remaining lease term, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | eltk_LesseeLeaseRemainingTerm
Namespace Prefix: | eltk_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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