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Note 16 - The Financing and Warrant Liabilities - Warrant Activity (Details) - $ / shares | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2021 | Dec. 31, 2020
Balance (in shares) | 2,159,865 |
Weighted average remaining contractual life (Year) | 2 years 9 months 14 days | 2 years 9 months 10 days
Weighted average exercise price (in dollars per share) | $ 2.00 |
Exercisable (in shares) | 129,000 |
Exercisable, weighted average remaining contractual life (Year) | 2 years 9 months 3 days | 18 days
Exercisable, weighted average exercise price (in dollars per share) | $ 1.4927 |
Granted/Vested (in shares) | 2,970,840 |
Granted/Vested, weighted average remaining contractual life (Year) | 3 years 1 month 20 days |
Granted/Vested, weighted average exercise price (in dollars per share) | $ 3.70 |
Granted/Vested, exercisable (in shares) | 4,636,865 |
Granted/Vested, exercisable, weighted average remaining contractual life (Year) | 2 years 10 months 2 days |
Granted/Vested, exercisable, weighted average exercise price (in dollars per share) | $ 2.91 |
Forfeited (in shares) | 0 |
Exercised (in shares) | 0 |
Balance (in shares) | 5,130,705 | 2,159,865
Weighted average exercise price (in dollars per share) | $ 2.98 | $ 2.00
Exercisable (in shares) | 4,765,865 | 129,000
Exercisable, weighted average exercise price (in dollars per share) | $ 2.87 | $ 1.4927

X
- Definition The number of warrants or rights cancelled during period. + References No definition available. + Details
Name: | cnet_ClassOfWarrantOrRightCancelledDuringPeriod
Namespace Prefix: | cnet_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of warrants or rights exercisable. + References No definition available. + Details
Name: | cnet_ClassOfWarrantOrRightExercisable
Namespace Prefix: | cnet_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of exercisable warrants or rights issued during period. + References No definition available. + Details
Name: | cnet_ClassOfWarrantOrRightExercisableIssuedDuringPeriod
Namespace Prefix: | cnet_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average exercise price of exercisable warrants or rights issued during period. + References No definition available. + Details
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Namespace Prefix: | cnet_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average remaining contractual term for exercisable warrants issued, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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Namespace Prefix: | cnet_
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X
- Definition Weighted average exercise price per share of warrants or rights exercisable. + References No definition available. + Details
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Namespace Prefix: | cnet_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Weighted average remaining contractual term for exercisable warrants outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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Namespace Prefix: | cnet_
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Balance Type: | na
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X
- Definition The number of warrants or rights exercised during period. + References No definition available. + Details
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Namespace Prefix: | cnet_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of warrants or rights issued during period. + References No definition available. + Details
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Namespace Prefix: | cnet_
Data Type: | xbrli:sharesItemType
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X
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Namespace Prefix: | cnet_
Data Type: | dtr-types:perShareItemType
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X
- Definition Weighted average remaining contractual term for warrants issued, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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X
- Definition Weighted average exercise price per share of warrants or rights outstanding. + References No definition available. + Details
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Namespace Prefix: | cnet_
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X
- Definition Weighted average remaining contractual term for warrants outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | cnet_ClassOfWarrantOrRightOutstandingWeightedAverageRemainingContractualTerm
Namespace Prefix: | cnet_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of warrants or rights outstanding. + References No definition available. + Details
Name: | us-gaap_ClassOfWarrantOrRightOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant