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Note 19 - Warrants (Details) - Warrants Issued and Outstanding (USD $) | 1 Months Ended | 12 Months Ended
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Aug. 21, 2012 | Dec. 31, 2012 Warrants Outstanding [Member] | Dec. 31, 2011 Warrants Outstanding [Member] Ending Begining Balance [Member] | Dec. 31, 2012 Warrants Outstanding [Member] Ending Balance [Member] | Dec. 31, 2013 Warrants Outstanding [Member] Begining Balance [Member] | Dec. 31, 2012 Warrants Exercisable [Member] | Dec. 31, 2011 Warrants Exercisable [Member] Ending Begining Balance [Member] | Dec. 31, 2012 Warrants Exercisable [Member] Ending Balance [Member] | Dec. 31, 2013 Warrants Exercisable [Member] Begining Balance [Member]
Class of Warrant or Right [Line Items] |  |  |  |  |  |  |  |  |
Balance |  |  | 3,005,456,000 |  |  |  | 3,005,456,000 |  |
Balance |  |  | $ 3.41 |  |  |  | $ 3.41 |  |
Balance |  |  | 2 years 76 days | 1 year 229 days | 229 days |  | 2 years 76 days | 1 year 229 days | 229 days
Expired | (642,000) | (642,000,000) |  |  |  | (642,000,000) |  |  |
Expired |  | $ 3.00 |  |  |  | $ 3.00 |  |  |
Balance |  |  |  | 2,363,456,000 | 2,363,456,000 |  |  | 2,363,456,000 | 2,363,456,000
Balance |  |  |  | $ 3.52 | $ 3.52 |  |  | $ 3.52 | $ 3.52
Balance |  |  | 2 years 76 days | 1 year 229 days | 229 days |  | 2 years 76 days | 1 year 229 days | 229 days

X
- Definition Weighted average exercise price of exercisable warrants outstanding as of the reporting date. + References No definition available. + Details
Name: | cnet_ClassOfWarrantOrRightExercisableWeightedAverageExercisePrice
Namespace Prefix: | cnet_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of each class of warrants or rights for which the right to exercise has lapsed under the terms of the agreements. + References No definition available. + Details
Name: | cnet_ClassOfWarrantOrRightExpirationsInPeriod
Namespace Prefix: | cnet_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Average remaining contractual life of warrants outstanding as of the reporting date. + References No definition available. + Details
Name: | cnet_ClassOfWarrantOrRightOutstandingAverageRemainingContractualLife
Namespace Prefix: | cnet_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average exercise price of warrants expired in period. + References No definition available. + Details
Name: | cnet_WarrantsExpiredWeightedAverageExercisePrice
Namespace Prefix: | cnet_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of warrants or rights outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph i -Article 4 + Details
Name: | us-gaap_ClassOfWarrantOrRightOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant