| Cover | Jan. 03, 2025 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Jan. 03, 2025 |
| Entity File Number | 001-34647 |
| Entity Registrant Name | ZW Data Action Technologies Inc. |
| Entity Central Index Key | 0001376321 |
| Entity Tax Identification Number | 20-4672080 |
| Entity Incorporation, State or Country Code | NV |
| Entity Address, Address Line One | 10th Floor, Tower A, |
| Entity Address, Address Line Two | No. 68 First Helong Road |
| Entity Address, Address Line Three | Baiyun District |
| Entity Address, City or Town | Guangzhou City, Guangdong Province |
| Entity Address, Country | CN |
| Entity Address, Postal Zip Code | 510440 |
| City Area Code | 10 |
| Local Phone Number | 60846616 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, par value $0.001 |
| Trading Symbol | CNET |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
