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Note 6 - Other Receivables, Net (Details) | 3 Months Ended | 16 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Mar. 31, 2015 USD ($) | Mar. 31, 2015 CNY | May 15, 2015 Subsequent Event [Member] USD ($) | May 15, 2015 Subsequent Event [Member] CNY | Mar. 31, 2015 Internet Advertising And TV Advertising Contractual Deposit [Member] USD ($) | Dec. 31, 2014 Internet Advertising And TV Advertising Contractual Deposit [Member] USD ($)
Note 6 - Other Receivables, Net (Details) [Line Items] |  |  |  |  |  |
Proceeds from Refunds from Suppliers | $ 200,000 cnet_ProceedsFromRefundsFromSuppliers | 1,200,000 cnet_ProceedsFromRefundsFromSuppliers | $ 1,000,000 cnet_ProceedsFromRefundsFromSuppliers / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember | 6,200,000 cnet_ProceedsFromRefundsFromSuppliers / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |  |
Allowance for Doubtful Accounts Receivable |  |  |  |  | 853,000 us-gaap_AllowanceForDoubtfulAccountsReceivable / us-gaap_StatementBusinessSegmentsAxis = cnet_InternetAdvertisingAndTVAdvertisingContractualDepositMember | 856,000 us-gaap_AllowanceForDoubtfulAccountsReceivable / us-gaap_StatementBusinessSegmentsAxis = cnet_InternetAdvertisingAndTVAdvertisingContractualDepositMember
Provision for Doubtful Accounts | $ (220,000)us-gaap_ProvisionForDoubtfulAccounts |  |  |  | $ 0 us-gaap_ProvisionForDoubtfulAccounts / us-gaap_StatementBusinessSegmentsAxis = cnet_InternetAdvertisingAndTVAdvertisingContractualDepositMember | $ 0 us-gaap_ProvisionForDoubtfulAccounts / us-gaap_StatementBusinessSegmentsAxis = cnet_InternetAdvertisingAndTVAdvertisingContractualDepositMember

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- Definition For an unclassified balance sheet, a valuation allowance for receivables due a company that are expected to be uncollectible. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 4 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=35738203&loc=d3e5074-111524 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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