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FAIR VALUE CONSIDERATION (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 22, 2021
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FAIR VALUE CONSIDERATION |  |
Contingent consideration | $ 10.0 | $ 9.7

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
Period Type: | duration

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- Definition Fair value portion of contingent consideration from business acquisition. + References No definition available. + Details
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Namespace Prefix: | zyxi_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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