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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) $ in Thousands | 9 Months Ended
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Sep. 30, 2023 USD ($) item segment
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES |
Amount of substantial costs incurred through support or warranty obligations | $ | $ 0
Lessee, Operating Lease, Existence of Option to Extend [true false] | true
Lessee, Operating Lease, Existence of Option to Terminate [true false] | true
Number of operating segment | segment | 1
Number of revenue types | item | 2

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- References No definition available. + Details
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Period Type: | duration

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- Definition Indicates (true false) whether lessee has option to extend operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-3 + Details
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Period Type: | duration

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- Definition Indicates (true false) whether lessee has option to terminate operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-3 + Details
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- Definition Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 18 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-18 + Details
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- Definition Represents the amount of substantial costs incurred through support or warranty obligations. + References No definition available. + Details
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Namespace Prefix: | zyxi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Represents the number of revenue types. + References No definition available. + Details
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Namespace Prefix: | zyxi_
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Balance Type: | na
Period Type: | duration