XML 13 R1.htm IDEA: XBRL DOCUMENT v3.19.1
Document and Entity Information
 12 Months Ended
Dec. 31, 2018
shares
Document And Entity Information  
Entity Registrant Name EURO TECH HOLDINGS CO LTD
Entity Central Index Key 0001026662
Document Type 20-F
Document Period End Date Dec. 31, 2018
Amendment Flag false
Current Fiscal Year End Date --12-31
Is Entity a Well-known Seasoned Issuer? No
Is Entity a Voluntary Filer? No
Is Entity's Reporting Status Current? Yes
Entity Filer Category Non-accelerated Filer
Entity Emerging Growth Company false
Entity Shell Company false
Entity Common Stock, Shares Outstanding 2,061,909
Document Fiscal Period Focus FY
Document Fiscal Year Focus 2018