Note 13 - Accrued Payroll and Other Accruals - Accrued Payroll and Other Accruals (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Accrued payroll and other accruals*	$ 389	$ 489
Accrued Payroll and Staff Welfare [Member]
Accrued payroll and other accruals*	142	229
Accrued Operating Expenses [Member]
Accrued payroll and other accruals*	$ 247	$ 260

Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees and other service providers. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

No definition available.

Name:	cnet_AccruedPayrollAndOtherAccruals
Namespace Prefix:	cnet_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant