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Note 4 - Term Deposit (Details) | Mar. 31, 2015 | Dec. 31, 2014
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Term Deposit [Abstract] |  |
Time Deposits, Weighted Average Interest Rate, Maturities Year One | 3.30%us-gaap_TimeDepositsWeightedAverageInterestRateMaturitiesYearOne | 3.30%us-gaap_TimeDepositsWeightedAverageInterestRateMaturitiesYearOne

X
- Details
Name: | cnet_TermDepositAbstract
Namespace Prefix: | cnet_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average interest rate for time deposits held by the entity with maturities of one year or less. + References No definition available. + Details
Name: | us-gaap_TimeDepositsWeightedAverageInterestRateMaturitiesYearOne
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant