Name:	cnet_Note23ConcentrationofriskDetailsLineItems
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Number of customers that accounted for 10% or more of the Company's sales for each of the reporting period or accounted for 10% or more of the Company's accounts receivables as of each of the reporting date.

+ References

No definition available.

+ Details

Name:	cnet_NumberOfMajorCustomers
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Balance Type:	na
Period Type:	duration

- Definition

Number of suppliers that accounted for 10% or more of the Company's cost of sales for each of the reporting period.

+ References

No definition available.

+ Details

Name:	cnet_NumberOfMajorSuppliers
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Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of accounts receivable due from a single external customer that accounts for 10 percent or more of an entity's accounts receivable.

+ References

No definition available.

+ Details

Name:	cnet_PercentOfAccountsReceivables
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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

No definition available.

+ Details

Name:	cnet_PercentOfCostOfSales
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Period Type:	duration

- Definition

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 21

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13537-108611

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 275

-SubTopic 10

-Section 50

-Paragraph 20

-URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6404-108592

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 20

-URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13531-108611

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 275

-SubTopic 10

-Section 50

-Paragraph 18

-URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6351-108592

+ Details

Name:	us-gaap_ConcentrationRiskPercentage1
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Note 23 - Concentration of risk (Details)	3 Months Ended		6 Months Ended			6 Months Ended		3 Months Ended		6 Months Ended								12 Months Ended	3 Months Ended					6 Months Ended	12 Months Ended
Note 23 - Concentration of risk (Details)	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012	Jun. 30, 2013 Customer 1 [Member]	Jun. 30, 2013 Customer 2 [Member]	Jun. 30, 2013 No Customers [Member] Maximum [Member]	Jun. 30, 2012 No Customers [Member] Maximum [Member]	Jun. 30, 2013 Supplier 1 [Member]	Jun. 30, 2012 Supplier 1 [Member]	Jun. 30, 2013 Supplier 2 [Member]	Jun. 30, 2012 Supplier 2 [Member]	Jun. 30, 2013 Supplier 3 [Member]	Jun. 30, 2012 Supplier 3 [Member]	Jun. 30, 2012 Customer 1 [Member]	Jun. 30, 2013 Accounts Receivables [Member]	Dec. 31, 2012 Accounts Receivables [Member]	Jun. 30, 2013 Supplier 1 [Member]	Jun. 30, 2012 Supplier 1 [Member]	Jun. 30, 2013 Supplier 2 [Member]	Jun. 30, 2012 Supplier 2 [Member]	Jun. 30, 2013 Maximum [Member]	Jun. 30, 2013 Maximum [Member]	Dec. 31, 2012 Maximum [Member]
Note 23 - Concentration of risk (Details) [Line Items]
Number of Major Customers			2	1													1	1
Concentration Risk, Percentage			10.00%	10.00%		15.00%	14.00%	10.00%	10.00%							13.00%								10.00%	10.00%
Percent of Accounts Receivables	11.00%		11.00%		10.00%
Number of Major Suppliers	3	2	3	2
Percent of Cost of Sales	19.00%	10.00%								34.00%	62.00%	29.00%	13.00%	14.00%	10.00%				34.00%	57.00%	23.00%	13.00%	10.00%