Applicable income tax rate for an entity during the reporting period.

No definition available.

Name:	cnet_ApplicableIncomeTaxRate
Namespace Prefix:	cnet_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the applicable income tax rate for first HK $2 million.

+ References

No definition available.

+ Details

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Namespace Prefix:	cnet_
Data Type:	dtr-types:percentItemType
Balance Type:	na
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- Definition

Represents the applicable income tax rate for subsequent profit.

+ References

No definition available.

+ Details

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Namespace Prefix:	cnet_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

TBD

+ References

No definition available.

+ Details

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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Operating loss carryforward that is subject to percentage of taxable income deduction limitation.

+ References

No definition available.

+ Details

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Namespace Prefix:	cnet_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

PRC value added tax rate for modern service provided.

+ References

No definition available.

+ Details

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Namespace Prefix:	cnet_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

PRC value added tax rate for modern service provided by small scale tax payer.

+ References

No definition available.

+ Details

Name:	cnet_PRCValueAddedTaxRateForModernServiceProvidedSmallScaleTaxPayer
Namespace Prefix:	cnet_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Reflect PRC value added tax surcharge rate.

+ References

No definition available.

+ Details

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Namespace Prefix:	cnet_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the taxable profit for applicable income tax rate.

+ References

No definition available.

+ Details

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Namespace Prefix:	cnet_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-2

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
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+ Details

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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-3

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-2

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_IncomeTaxAuthorityAxis=cnet_PRCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=cnet_BusinessOpportunityOnlineMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=cnet_PRCSubsidiaryAndVIEsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
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Note 12 - Taxation (Details Textual) $ in Thousands, $ in Millions		3 Months Ended	12 Months Ended
	Apr. 01, 2018 HKD ($)	Apr. 01, 2018	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2022	Dec. 31, 2021
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent			21.00%	21.00%
Income Tax Withholding Rate Pursuant to EIT Law			10.00%
Operating Loss Carryforwards			$ 35,240	$ 34,180
Operating Loss Carryforwards, Taxable Income Deduction Limitations			80.00%
Deferred Tax Assets, Valuation Allowance			$ 13,098	13,136
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount			$ 120	$ 890
Minimum [Member]
PRC Value Added Tax Surcharge Rate				12.00%
PRC [Member]
PRC Value Added Tax Rate for Modern Service Provided			6.00%	6.00%
PRC Value Added Tax Rate for Modern Service Provided Small Scale Tax Payer			3.00%	3.00%
Other PRC Operating Entities [Member] \| PRC [Member]
Applicable Income Tax Rate	25.00%		25.00%	25.00%
Business Opportunity Online [Member] \| PRC [Member]
Applicable Income Tax Rate					25.00%	15.00%
PRC Subsidiary And VIE's [Member]
Operating Loss Carryforwards			$ 8,990	$ 10,870
HONG KONG
Applicable Income Tax Rate for First Profit Limit		8.25%
Taxable Profits for Applicable Income Tax Rate	$ 2
Applicable Income Tax Rate for Subsequent Profit	16.50%