Note 17 - Guarantee Payment and Prepayment from New Investors (Details Textual)	May 12, 2016	May 31, 2015 USD ($)
Jinrun Fangzhou and Dongsys Innovation [Member]
Common Stock Purchase Agreement Guarantee Payments Initial Payment Due Within Five Days Percentage		10.00%
Common Stock Purchase Agreement Guarantee Payment Due Within Thirty Days, Percentage		15.00%
Common Stock Purchase Agreement Guarantee Payment		$ 802,000
Dongsys Innovation [Member]
Common Stock Purchase Agreement Guarantee Payment		$ 116,000
Number of Investors Security Purchase Agreement Terminated	2
Security Purchase Agreement Termination Failure to Refund Amounts Annualized Interest Rate for Unpaid Amounts	12.00%

Represents the amount received as a guarantee payment for a common stock purchase agreement.

No definition available.

Name:	cnet_CommonStockPurchaseAgreementGuaranteePayment
Namespace Prefix:	cnet_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Represents the percentage of the common stock purchase agreement that is due with in 30 days of the agreement.

+ References

No definition available.

+ Details

Name:	cnet_CommonStockPurchaseAgreementGuaranteePaymentDueWithinThirtyDaysPercentage
Namespace Prefix:	cnet_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the percentage of the common stock purchase agreement that is due within 5 days as part of a guarantee payment.

+ References

No definition available.

+ Details

Name:	cnet_CommonStockPurchaseAgreementGuaranteePaymentsInitialPaymentDueWithinFiveDaysPercentage
Namespace Prefix:	cnet_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The number of investors involved in a security purchase agreement that was terminated.

+ References

No definition available.

+ Details

Name:	cnet_NumberOfInvestorsSecurityPurchaseAgreementTerminated
Namespace Prefix:	cnet_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the annualized interest rate that the company will bear for the unpaid amounts if the company fails to fully refund the amounts before a specified date under the terminated security purchase agreement.

+ References

No definition available.

+ Details

Name:	cnet_SecurityPurchaseAgreementTerminationFailureToRefundAmountsAnnualizedInterestRateForUnpaidAmounts
Namespace Prefix:	cnet_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_CounterpartyNameAxis=cnet_JinrunFangzhouAndDongsysInnovationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CounterpartyNameAxis=cnet_DongsysInnovationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: