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Note 2 - Variable Interest Entities (Details) (USD $) | 3 Months Ended
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Mar. 31, 2015 | Mar. 31, 2014
Note 2 - Variable Interest Entities (Details) [Line Items] |  |
Sales Revenue, Services, Net | $ 5,848,000 us-gaap_SalesRevenueServicesNet | $ 5,183,000 us-gaap_SalesRevenueServicesNet
Cost of Services | 4,946,000 us-gaap_CostOfServices | 3,822,000 us-gaap_CostOfServices
Operating Expenses | 2,995,000 us-gaap_OperatingExpenses | 2,026,000 us-gaap_OperatingExpenses
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest | (1,822,000)us-gaap_ProfitLoss | (714,000)us-gaap_ProfitLoss
VIEs [Member] |  |
Note 2 - Variable Interest Entities (Details) [Line Items] |  |
Sales Revenue, Services, Net | 5,744,000 us-gaap_SalesRevenueServicesNet / us-gaap_InformationByFinancialStatementLineItemAxis = cnet_VIEsMember | 5,099,000 us-gaap_SalesRevenueServicesNet / us-gaap_InformationByFinancialStatementLineItemAxis = cnet_VIEsMember
Cost of Services | 4,946,000 us-gaap_CostOfServices / us-gaap_InformationByFinancialStatementLineItemAxis = cnet_VIEsMember | 3,822,000 us-gaap_CostOfServices / us-gaap_InformationByFinancialStatementLineItemAxis = cnet_VIEsMember
Operating Expenses | (2,277,000)us-gaap_OperatingExpenses / us-gaap_InformationByFinancialStatementLineItemAxis = cnet_VIEsMember | 1,612,000 us-gaap_OperatingExpenses / us-gaap_InformationByFinancialStatementLineItemAxis = cnet_VIEsMember
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest | $ 1,208,000 us-gaap_ProfitLoss / us-gaap_InformationByFinancialStatementLineItemAxis = cnet_VIEsMember | $ 385,000 us-gaap_ProfitLoss / us-gaap_InformationByFinancialStatementLineItemAxis = cnet_VIEsMember

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- Definition Total costs related to services rendered by an entity during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 2 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2(d)) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4K -URI http://asc.fasb.org/extlink&oid=35736750&loc=SL4591552-111686 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=7656940&loc=SL4569616-111683 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=18733093&loc=SL4573702-111684 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4J -URI http://asc.fasb.org/extlink&oid=35736750&loc=SL4591551-111686 + Details
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