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CONSOLIDATED BALANCE SHEETS (Parenthetical) | Dec. 31, 2014 | Dec. 31, 2013
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Shareholders equity: |  |
Common Stock Authorized | 20,000,000 us-gaap_CommonStockSharesAuthorized | 20,000,000 us-gaap_CommonStockSharesAuthorized
Common Stock Issued | 2,229,609 us-gaap_CommonStockSharesIssued | 2,229,609 us-gaap_CommonStockSharesIssued
Treasury stock, shares | 160,386 us-gaap_TreasuryStockShares | 160,386 us-gaap_TreasuryStockShares
ZHEJIANG TIANLAN |  |
Shareholders equity: |  |
Common Stock Issued | 61,200,000 us-gaap_CommonStockSharesIssued / us-gaap_StatementScenarioAxis = us-gaap_SubsidiaryIssuerMember | 61,200,000 us-gaap_CommonStockSharesIssued / us-gaap_StatementScenarioAxis = us-gaap_SubsidiaryIssuerMember
ZHEJIANG JIAHUAN |  |
Shareholders equity: |  |
Common Stock Issued | 11,250,000 us-gaap_CommonStockSharesIssued / us-gaap_StatementScenarioAxis = CLWT_Subsidiary2Member | 11,250,000 us-gaap_CommonStockSharesIssued / us-gaap_StatementScenarioAxis = CLWT_Subsidiary2Member

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- Definition The maximum number of common shares permitted to be issued by an entity's charter and bylaws. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 30 -Article 5 + Details
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- Definition Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 30 -Article 5 + Details
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- Definition Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.28,29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30 -Article 5 + Details
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