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Note 4 - Accounts Receivable, Net (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2019
Notes Tables |
Schedule of Accounts Receivable [Table Text Block] |
|  | June 30, 2019 |  | December 31, 2018
|  | US$(’000) |  | US$(’000)
|  | (Unaudited) |  |
Accounts receivable |  |  | 8,122 |  |  |  | 9,752 |
Allowance for doubtful accounts |  |  | (1,373 | ) |  |  | (3,393 | )
Accounts receivable, net |  |  | 6,749 |  |  |  | 6,359 |

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- Definition Tabular disclosure of account receivables.Including: gross carrying value, allowance, and net carrying value as of the balance sheet date. + References No definition available. + Details
Name: | cnet_ScheduleOfAccountsReceivableTableTextBlock
Namespace Prefix: | cnet_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_TableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration