XML 70 R60.htm IDEA: XBRL DOCUMENT v3.22.1

CONCENTRATIONS (Details) - item	3 Months Ended		12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Supplier Concentration Risk [Member] | Cost of Goods, Total [Member]
Concentration Risk
Concentration Risk, Percentage	30.00%	32.00%
Number of significant vendors	2	2
Accounts Receivable [Member]
Concentration Risk
Concentration Risk, Percentage	19.00%		22.00%
Number of third-party payers	1		1

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_ConcentrationRiskLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

No definition available.

+ Details

Name:	zyxi_ConcentrationRiskThresholdPercentage
Namespace Prefix:	zyxi_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Represents the number of significant vendors.

+ References

No definition available.

+ Details

Name:	zyxi_NumberOfSignificantVendors
Namespace Prefix:	zyxi_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The number of third party payers.

+ References

No definition available.

+ Details

Name:	zyxi_NumberOfThirdPartyPayers
Namespace Prefix:	zyxi_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_ConcentrationRiskByTypeAxis=us-gaap_SupplierConcentrationRiskMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_CostOfGoodsTotalMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ConcentrationRiskByTypeAxis=us-gaap_AccountsReceivableMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: