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Note 25 - Segment Reporting (Details) - Summary of Segment Reporting Information (Unaudited) (USD $) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2015 | Mar. 31, 2014 | Dec. 31, 2014
Segment Reporting Information [Line Items] |  |  |  |  |
Revenue | $ 5,848,000 us-gaap_SalesRevenueServicesNet |  | $ 5,183,000 us-gaap_SalesRevenueServicesNet |  |
Cost of sales | 4,946,000 us-gaap_CostOfServices |  | 3,822,000 us-gaap_CostOfServices |  |
Total operating expenses | 2,995,000 us-gaap_OperatingExpenses |  | 2,026,000 us-gaap_OperatingExpenses |  |
Depreciation and amortization expense included in total operating expenses | 444,000 us-gaap_DepreciationDepletionAndAmortization |  | 360,000 us-gaap_DepreciationDepletionAndAmortization |  |
Operating income (loss) | (2,093,000)us-gaap_OperatingIncomeLoss |  | (665,000)us-gaap_OperatingIncomeLoss |  |
Share of income/(losses) in equity investment affiliates | 1,000 us-gaap_IncomeLossFromEquityMethodInvestments |  | (15,000)us-gaap_IncomeLossFromEquityMethodInvestments |  |
Net income (loss) | (1,822,000)us-gaap_ProfitLoss |  | (714,000)us-gaap_ProfitLoss |  |
Total assets | 46,706,000 us-gaap_Assets |  |  |  | 47,430,000 us-gaap_Assets
Internet Ad [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenue | 5,598,000 us-gaap_SalesRevenueServicesNet / us-gaap_StatementBusinessSegmentsAxis = cnet_InternetAdMember |  | 3,580,000 us-gaap_SalesRevenueServicesNet / us-gaap_StatementBusinessSegmentsAxis = cnet_InternetAdMember |  |
Cost of sales | 4,755,000 us-gaap_CostOfServices / us-gaap_StatementBusinessSegmentsAxis = cnet_InternetAdMember |  | 2,542,000 us-gaap_CostOfServices / us-gaap_StatementBusinessSegmentsAxis = cnet_InternetAdMember |  |
Total operating expenses | 2,097,000 us-gaap_OperatingExpenses / us-gaap_StatementBusinessSegmentsAxis = cnet_InternetAdMember |  | 1,525,000 us-gaap_OperatingExpenses / us-gaap_StatementBusinessSegmentsAxis = cnet_InternetAdMember |  |
Depreciation and amortization expense included in total operating expenses | 388,000 us-gaap_DepreciationDepletionAndAmortization / us-gaap_StatementBusinessSegmentsAxis = cnet_InternetAdMember |  | 247,000 us-gaap_DepreciationDepletionAndAmortization / us-gaap_StatementBusinessSegmentsAxis = cnet_InternetAdMember |  |
Operating income (loss) | (1,254,000)us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = cnet_InternetAdMember |  | (487,000)us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = cnet_InternetAdMember |  |
Expenditure for long-term assets | 326,000 cnet_PaymentToAcquireLongTermAssets / us-gaap_StatementBusinessSegmentsAxis = cnet_InternetAdMember |  | 850,000 cnet_PaymentToAcquireLongTermAssets / us-gaap_StatementBusinessSegmentsAxis = cnet_InternetAdMember |  |
Net income (loss) | (988,000)us-gaap_ProfitLoss / us-gaap_StatementBusinessSegmentsAxis = cnet_InternetAdMember |  | (499,000)us-gaap_ProfitLoss / us-gaap_StatementBusinessSegmentsAxis = cnet_InternetAdMember |  |
Total assets | 43,799,000 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = cnet_InternetAdMember |  |  |  | 43,851,000 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = cnet_InternetAdMember
TV Ad [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenue | 58,000 us-gaap_SalesRevenueServicesNet / us-gaap_StatementBusinessSegmentsAxis = cnet_TVAdMember |  | 1,182,000 us-gaap_SalesRevenueServicesNet / us-gaap_StatementBusinessSegmentsAxis = cnet_TVAdMember |  |
Cost of sales | 109,000 us-gaap_CostOfServices / us-gaap_StatementBusinessSegmentsAxis = cnet_TVAdMember |  | 1,095,000 us-gaap_CostOfServices / us-gaap_StatementBusinessSegmentsAxis = cnet_TVAdMember |  |
Total operating expenses | 98,000 us-gaap_OperatingExpenses / us-gaap_StatementBusinessSegmentsAxis = cnet_TVAdMember |  | 94,000 us-gaap_OperatingExpenses / us-gaap_StatementBusinessSegmentsAxis = cnet_TVAdMember |  |
Depreciation and amortization expense included in total operating expenses | 1,000 us-gaap_DepreciationDepletionAndAmortization / us-gaap_StatementBusinessSegmentsAxis = cnet_TVAdMember |  | 11,000 us-gaap_DepreciationDepletionAndAmortization / us-gaap_StatementBusinessSegmentsAxis = cnet_TVAdMember |  |
Operating income (loss) | (149,000)us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = cnet_TVAdMember |  | (7,000)us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = cnet_TVAdMember |  |
Net income (loss) | (150,000)us-gaap_ProfitLoss / us-gaap_StatementBusinessSegmentsAxis = cnet_TVAdMember |  | (22,000)us-gaap_ProfitLoss / us-gaap_StatementBusinessSegmentsAxis = cnet_TVAdMember |  |
Total assets | 12,275,000 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = cnet_TVAdMember |  |  |  | 13,228,000 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = cnet_TVAdMember
Bank Kiosk [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenue | 69,000 us-gaap_SalesRevenueServicesNet / us-gaap_StatementBusinessSegmentsAxis = cnet_BankKioskMember |  | 71,000 us-gaap_SalesRevenueServicesNet / us-gaap_StatementBusinessSegmentsAxis = cnet_BankKioskMember |  |
Cost of sales | 3,000 us-gaap_CostOfServices / us-gaap_StatementBusinessSegmentsAxis = cnet_BankKioskMember |  |  |  |
Total operating expenses | 30,000 us-gaap_OperatingExpenses / us-gaap_StatementBusinessSegmentsAxis = cnet_BankKioskMember |  | 31,000 us-gaap_OperatingExpenses / us-gaap_StatementBusinessSegmentsAxis = cnet_BankKioskMember |  |
Depreciation and amortization expense included in total operating expenses | 30,000 us-gaap_DepreciationDepletionAndAmortization / us-gaap_StatementBusinessSegmentsAxis = cnet_BankKioskMember |  | 31,000 us-gaap_DepreciationDepletionAndAmortization / us-gaap_StatementBusinessSegmentsAxis = cnet_BankKioskMember |  |
Operating income (loss) | 36,000 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = cnet_BankKioskMember |  | 40,000 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = cnet_BankKioskMember |  |
Net income (loss) | 36,000 us-gaap_ProfitLoss / us-gaap_StatementBusinessSegmentsAxis = cnet_BankKioskMember |  | 40,000 us-gaap_ProfitLoss / us-gaap_StatementBusinessSegmentsAxis = cnet_BankKioskMember |  |
Total assets | 265,000 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = cnet_BankKioskMember |  |  |  | 296,000 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = cnet_BankKioskMember
Brand Management and Sales Channel Building [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenue | 123,000 us-gaap_SalesRevenueServicesNet / us-gaap_StatementBusinessSegmentsAxis = cnet_BrandManagementAndSalesChannelBuildingMember |  | 350,000 us-gaap_SalesRevenueServicesNet / us-gaap_StatementBusinessSegmentsAxis = cnet_BrandManagementAndSalesChannelBuildingMember |  |
Cost of sales | 79,000 us-gaap_CostOfServices / us-gaap_StatementBusinessSegmentsAxis = cnet_BrandManagementAndSalesChannelBuildingMember |  | 185,000 us-gaap_CostOfServices / us-gaap_StatementBusinessSegmentsAxis = cnet_BrandManagementAndSalesChannelBuildingMember |  |
Total operating expenses | 74,000 us-gaap_OperatingExpenses / us-gaap_StatementBusinessSegmentsAxis = cnet_BrandManagementAndSalesChannelBuildingMember |  | 140,000 us-gaap_OperatingExpenses / us-gaap_StatementBusinessSegmentsAxis = cnet_BrandManagementAndSalesChannelBuildingMember |  |
Depreciation and amortization expense included in total operating expenses | 16,000 us-gaap_DepreciationDepletionAndAmortization / us-gaap_StatementBusinessSegmentsAxis = cnet_BrandManagementAndSalesChannelBuildingMember |  | 50,000 us-gaap_DepreciationDepletionAndAmortization / us-gaap_StatementBusinessSegmentsAxis = cnet_BrandManagementAndSalesChannelBuildingMember |  |
Operating income (loss) | (30,000)us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = cnet_BrandManagementAndSalesChannelBuildingMember |  | 25,000 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = cnet_BrandManagementAndSalesChannelBuildingMember |  |
Share of income/(losses) in equity investment affiliates |  |  | (13,000)us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = cnet_BrandManagementAndSalesChannelBuildingMember |  |
Expenditure for long-term assets |  |  | 1,000 cnet_PaymentToAcquireLongTermAssets / us-gaap_StatementBusinessSegmentsAxis = cnet_BrandManagementAndSalesChannelBuildingMember |  |
Net income (loss) | (25,000)us-gaap_ProfitLoss / us-gaap_StatementBusinessSegmentsAxis = cnet_BrandManagementAndSalesChannelBuildingMember |  | 5,000 us-gaap_ProfitLoss / us-gaap_StatementBusinessSegmentsAxis = cnet_BrandManagementAndSalesChannelBuildingMember |  |
Total assets | 2,907,000 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = cnet_BrandManagementAndSalesChannelBuildingMember |  |  |  | 2,989,000 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = cnet_BrandManagementAndSalesChannelBuildingMember
Others [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total operating expenses | 696,000 us-gaap_OperatingExpenses / us-gaap_StatementBusinessSegmentsAxis = cnet_OthersMember | [1] | 236,000 us-gaap_OperatingExpenses / us-gaap_StatementBusinessSegmentsAxis = cnet_OthersMember | [2] |
Depreciation and amortization expense included in total operating expenses | 9,000 us-gaap_DepreciationDepletionAndAmortization / us-gaap_StatementBusinessSegmentsAxis = cnet_OthersMember |  | 21,000 us-gaap_DepreciationDepletionAndAmortization / us-gaap_StatementBusinessSegmentsAxis = cnet_OthersMember |  |
Operating income (loss) | (696,000)us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = cnet_OthersMember |  | (236,000)us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = cnet_OthersMember |  |
Share of income/(losses) in equity investment affiliates | 1,000 us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = cnet_OthersMember |  | (2,000)us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = cnet_OthersMember |  |
Expenditure for long-term assets |  |  | 12,000 cnet_PaymentToAcquireLongTermAssets / us-gaap_StatementBusinessSegmentsAxis = cnet_OthersMember |  |
Net income (loss) | (695,000)us-gaap_ProfitLoss / us-gaap_StatementBusinessSegmentsAxis = cnet_OthersMember |  | (238,000)us-gaap_ProfitLoss / us-gaap_StatementBusinessSegmentsAxis = cnet_OthersMember |  |
Total assets | 6,077,000 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = cnet_OthersMember |  |  |  | 6,558,000 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = cnet_OthersMember
Inter Segment and Reconciling Item [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total assets | (18,617,000)us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = cnet_InterSegmentAndReconcilingItemMember |  |  |  | (19,492,000)us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = cnet_InterSegmentAndReconcilingItemMember
Report Total [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenue | 5,848,000 us-gaap_SalesRevenueServicesNet / us-gaap_StatementBusinessSegmentsAxis = cnet_ReportTotalMember |  | 5,183,000 us-gaap_SalesRevenueServicesNet / us-gaap_StatementBusinessSegmentsAxis = cnet_ReportTotalMember |  |
Cost of sales | 4,946,000 us-gaap_CostOfServices / us-gaap_StatementBusinessSegmentsAxis = cnet_ReportTotalMember |  | 3,822,000 us-gaap_CostOfServices / us-gaap_StatementBusinessSegmentsAxis = cnet_ReportTotalMember |  |
Total operating expenses | 2,995,000 us-gaap_OperatingExpenses / us-gaap_StatementBusinessSegmentsAxis = cnet_ReportTotalMember |  | 2,026,000 us-gaap_OperatingExpenses / us-gaap_StatementBusinessSegmentsAxis = cnet_ReportTotalMember |  |
Depreciation and amortization expense included in total operating expenses | 444,000 us-gaap_DepreciationDepletionAndAmortization / us-gaap_StatementBusinessSegmentsAxis = cnet_ReportTotalMember |  | 360,000 us-gaap_DepreciationDepletionAndAmortization / us-gaap_StatementBusinessSegmentsAxis = cnet_ReportTotalMember |  |
Operating income (loss) | (2,093,000)us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = cnet_ReportTotalMember |  | (665,000)us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = cnet_ReportTotalMember |  |
Share of income/(losses) in equity investment affiliates | 1,000 us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = cnet_ReportTotalMember |  | (15,000)us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = cnet_ReportTotalMember |  |
Expenditure for long-term assets | 326,000 cnet_PaymentToAcquireLongTermAssets / us-gaap_StatementBusinessSegmentsAxis = cnet_ReportTotalMember |  | 863,000 cnet_PaymentToAcquireLongTermAssets / us-gaap_StatementBusinessSegmentsAxis = cnet_ReportTotalMember |  |
Net income (loss) | (1,822,000)us-gaap_ProfitLoss / us-gaap_StatementBusinessSegmentsAxis = cnet_ReportTotalMember |  | (714,000)us-gaap_ProfitLoss / us-gaap_StatementBusinessSegmentsAxis = cnet_ReportTotalMember |  |
Total assets | $ 46,706,000 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = cnet_ReportTotalMember |  |  |  | $ 47,430,000 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = cnet_ReportTotalMember
[1] | Including approximate US$455,000 share-based compensation expenses.
[2] | Including approximate US$8,400 share-based compensation expenses

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