Represents allowance for credit loss on short term loans.

No definition available.

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

- Definition

Information pertaining to the term of the loan.

+ References

No definition available.

+ Details

Name:	cnet_FinancingReceivableTerm
Namespace Prefix:	cnet_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Contractual interest rate for loans receivable.

+ References

No definition available.

+ Details

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

- Definition

The amount paid toward the loan principal.

+ References

No definition available.

+ Details

Name:	cnet_ProceedsFromLoansPrincipalAmount
Namespace Prefix:	cnet_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

+ References

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

- Definition

Amortized cost of financing receivable with payment default in current period and modified within previous 12 months preceding payment default for debtor experiencing financial difficulty.

+ References

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+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amortized cost, before allowance for credit loss, of financing receivable classified as current. Excludes net investment in lease.

+ References

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+ Details

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

- Definition

Amortized cost, after allowance for credit loss, of financing receivable classified as current. Excludes net investment in lease.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The cash inflow associated with principal collections from a borrowing supported by a written promise to pay an obligation.

+ References

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

- Definition

Interest received on loans and other debt instruments during the current period.

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

- Details

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

- Details

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

- Details

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Note 7 - Other Current Assets (Details Textual) - USD ($) $ in Thousands						1 Months Ended		3 Months Ended			4 Months Ended	9 Months Ended	12 Months Ended
	Mar. 27, 2025	Mar. 17, 2025	Jan. 27, 2025	May 29, 2024	Mar. 31, 2022	May 31, 2023	Mar. 31, 2021	Sep. 30, 2025	Jul. 31, 2023	Dec. 31, 2022	Apr. 30, 2022	Sep. 30, 2025	Dec. 31, 2024	Jun. 30, 2025	Sep. 30, 2024	Jun. 30, 2024	Dec. 31, 2023	Jan. 11, 2023	Jun. 30, 2022	May 01, 2022	Jan. 05, 2022
Short-term loans to unrelated parties								$ 2,653				$ 2,653	$ 3,606
Financing Receivable, Allowance for Credit Loss								1,893				1,893	1,513	$ 1,890	$ 1,524	$ 1,512	$ 1,559
Loan to Unrelated Party [Member]
Short-term loans to unrelated parties																					$ 2,500
Loans Receivable, Interest Rate, Stated Percentage																					7.50%
Proceeds from Collection of Notes Receivable											$ 1,020
Proceeds from Interest Received											$ 60
Revised Loan to Original Unrelated Party [Member]
Short-term loans to unrelated parties																				$ 1,480
Loans Receivable, Interest Rate, Stated Percentage																				5.00%
Proceeds from Collection of Notes Receivable	$ 210	$ 350		$ 130
Proceeds from Interest Received	2	60		60		$ 20			$ 20	$ 50
Proceeds from Loans Principal Amount	$ 210	$ 290		$ 70
Second Loan to Unrelated Party [Member]
Short-term loans to unrelated parties																		$ 2,000
Loans Receivable, Interest Rate, Stated Percentage																		12.00%
Proceeds from Collection of Notes Receivable			$ 570										770
Proceeds from Interest Received			110										350
Proceeds from Loans Principal Amount			$ 460										$ 420
Allowance for Credit Loss on Short Term Loans								$ 380				$ (3)
Digital Sun [Member]
Short-term loans to unrelated parties							$ 1,650
Proceeds from Collection of Notes Receivable					$ 1,030
Notes And Loans Receivable, Term (Year)							1 year
Financing Receivable, Modified, Subsequent Default					$ 620
Financing Receivable, Allowance for Credit Loss																			$ 620
Digital Sun [Member] \| Other Current Assets [Member]
Financing Receivable, after Allowance for Credit Loss, Current															$ 620