$CLWT
EURO TECH HOLDINGS CO LTD Stock $clwt

$clwt Overview Financials Valuation SEC Filings Company Website

2022 Q4 Form 20-F Financial Statement

#000165495423006376 Filed on May 12, 2023

Income Statement

Concept	2022 Q4	2022	2021 Q4
Revenue	$8.220M	$14.95M	$11.33M
YoY Change	-27.47%	-30.11%	48.35%
Cost Of Revenue	$5.490M	$10.33M	$8.661M
YoY Change	-36.61%	-34.17%	55.49%
Gross Profit	$2.730M	$4.618M	$2.673M
YoY Change	2.13%	-18.91%	29.13%
Gross Profit Margin	33.21%	30.89%	23.58%
Selling, General & Admin	$2.120M	$4.430M	$2.397M
YoY Change	-11.56%	-8.66%	-20.89%
% of Gross Profit	77.66%	95.93%	89.67%
Research & Development		$0.00
YoY Change		-100.0%
% of Gross Profit		0.0%
Depreciation & Amortization		$33.00K
YoY Change		-13.16%
% of Gross Profit		0.71%
Operating Expenses	$2.120M	-$4.504M	$2.397M
YoY Change	-11.56%	-191.71%	-20.89%
Operating Profit	$610.0K	$114.0K	$276.0K
YoY Change	121.01%	-85.46%	-128.75%
Interest Expense	-$210.0K	$10.00K	$13.00K
YoY Change	-1715.38%	-50.0%
% of Operating Profit	-34.43%	8.77%	4.71%
Other Income/Expense, Net	$10.00K	$10.00K	$68.00K
YoY Change	-85.29%	-92.13%	-73.85%
Pretax Income	$410.0K	$563.0K	$347.0K
YoY Change	18.16%	-38.87%	-149.57%
Income Tax	$30.00K	-$24.00K	-$107.0K
% Of Pretax Income	7.32%	-4.26%	-30.84%
Net Earnings	$550.0K	$369.0K	$499.0K
YoY Change	10.22%	-62.69%	-599.0%
Net Earnings / Revenue	6.69%	2.47%	4.4%
Basic Earnings Per Share
Diluted Earnings Per Share	$0.07	$0.05	$115.7K
COMMON SHARES
Basic Shares Outstanding	7.724M shares
Diluted Shares Outstanding

Balance Sheet

Concept	2022 Q4	2022	2021 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$5.630M	$5.630M	$5.269M
YoY Change	6.85%	6.85%	49.69%
Cash & Equivalents	$5.628M	$5.630M	$5.269M
Short-Term Investments
Other Short-Term Assets	$1.420M	$1.270M	$1.983M
YoY Change	-28.39%	-27.88%	-37.64%
Inventory	$603.0K	$600.0K	$547.0K
Prepaid Expenses
Receivables	$1.800M	$1.800M	$3.705M
Other Receivables	$0.00	$160.0K	$0.00
Total Short-Term Assets	$9.450M	$9.450M	$11.50M
YoY Change	-17.85%	-17.85%	10.09%
LONG-TERM ASSETS
Property, Plant & Equipment	$179.0K	$400.0K	$453.0K
YoY Change	-60.49%	-11.7%	-7.55%
Goodwill	$1.071M		$1.071M
YoY Change	0.0%
Intangibles
YoY Change
Long-Term Investments	$8.250M	$8.250M	$8.077M
YoY Change	2.14%	2.14%	-0.04%
Other Assets	$190.0K	$190.0K	$145.0K
YoY Change	31.03%	31.03%
Total Long-Term Assets	$9.913M	$9.910M	$9.746M
YoY Change	1.71%	1.68%	0.99%
TOTAL ASSETS
Total Short-Term Assets	$9.450M	$9.450M	$11.50M
Total Long-Term Assets	$9.913M	$9.910M	$9.746M
Total Assets	$19.36M	$19.36M	$21.25M
YoY Change	-8.88%	-8.89%	5.72%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$2.279M	$2.280M	$3.151M
YoY Change	-27.67%	-27.64%	31.84%
Accrued Expenses	$110.0K	$1.060M	$175.0K
YoY Change	-37.14%	-30.94%	45.83%
Deferred Revenue	$625.0K		$1.076M
YoY Change	-41.91%
Short-Term Debt	$220.0K	$220.0K	$376.0K
YoY Change	-41.49%	-41.49%	4.44%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$4.470M	$4.470M	$6.405M
YoY Change	-30.21%	-30.21%	15.82%
LONG-TERM LIABILITIES
Long-Term Debt	$0.00	$0.00	$0.00
YoY Change
Other Long-Term Liabilities	$90.00K	$90.00K	$41.00K
YoY Change	119.51%	119.51%	-54.44%
Total Long-Term Liabilities	$90.00K	$90.00K	$41.00K
YoY Change	119.51%	119.51%	-54.44%
TOTAL LIABILITIES
Total Short-Term Liabilities	$4.470M	$4.470M	$6.405M
Total Long-Term Liabilities	$90.00K	$90.00K	$41.00K
Total Liabilities	$4.557M	$5.590M	$7.366M
YoY Change	-38.13%	-24.11%	19.58%
SHAREHOLDERS EQUITY
Retained Earnings	$3.633M		$3.774M
YoY Change	-3.74%
Common Stock	$123.0K		$123.0K
YoY Change	0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$786.0K		$786.0K
YoY Change	0.0%
Treasury Stock Shares	167.7K shares		167.7K shares
Shareholders Equity	$13.77M	$13.77M	$13.88M
YoY Change
Total Liabilities & Shareholders Equity	$19.36M	$19.36M	$21.25M
YoY Change	-8.88%	-8.89%	5.72%

Cashflow Statement

Concept	2022 Q4	2022	2021 Q4
OPERATING ACTIVITIES
Net Income	$550.0K	$369.0K	$499.0K
YoY Change	10.22%	-62.69%	-599.0%
Depreciation, Depletion And Amortization		$33.00K
YoY Change		-13.16%
Cash From Operating Activities		$461.0K
YoY Change		-79.05%
INVESTING ACTIVITIES
Capital Expenditures		$10.00K
YoY Change		-350.0%
Acquisitions
YoY Change
Other Investing Activities		$240.0K
YoY Change		-33.7%
Cash From Investing Activities		$232.0K
YoY Change		-35.2%
FINANCING ACTIVITIES
Cash Dividend Paid		$464.0K
YoY Change		-55.0%
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities		-$618.0K
YoY Change		-39.17%
NET CHANGE
Cash From Operating Activities		$461.0K
Cash From Investing Activities		$232.0K
Cash From Financing Activities		-$618.0K
Net Change In Cash		-$37.00K
YoY Change		-102.4%
FREE CASH FLOW
Cash From Operating Activities		$461.0K
Capital Expenditures		$10.00K
Free Cash Flow		$451.0K
YoY Change		-79.55%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2022	dei	Entity Central Index Key EntityCentralIndexKey	0001026662
CY2022	dei	Amendment Flag AmendmentFlag	false
CY2022	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2022	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2022	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
CY2022	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	true
CY2022	dei	Entity Address Address Line3 EntityAddressAddressLine3	65 Wong Chuk Hang Road
CY2021Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	20000000	shares
CY2021Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	167700	shares
CY2022	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	0	usd
CY2021	clwt	Weighted Average Remaining Lease Term Operating Leases WeightedAverageRemainingLeaseTermOperatingLeases	P23Y
CY2022	clwt	Weighted Average Remaining Lease Term Operating Leases WeightedAverageRemainingLeaseTermOperatingLeases	P20Y
CY2022	clwt	Current Tax Expenses Prc And Hong Kong CurrentTaxExpensesPrcAndHongKong	0	usd
CY2022	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	0	usd
CY2021	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.1	pure
CY2021Q4	us-gaap	Security Deposit SecurityDeposit	897000	usd
CY2022	dei	Document Type DocumentType	20-F
CY2022	dei	Document Annual Report DocumentAnnualReport	true
CY2022	dei	Document Period End Date DocumentPeriodEndDate	2022-12-31
CY2022	dei	Document Transition Report DocumentTransitionReport	false
CY2022	dei	Document Shell Company Report DocumentShellCompanyReport	false
CY2022	dei	Entity File Number EntityFileNumber	000-22113
CY2022	dei	Entity Registrant Name EntityRegistrantName	EURO TECH HOLDINGS COMPANY LIMITED
CY2022	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	D8
CY2022	dei	Entity Address Address Line1 EntityAddressAddressLine1	Unit D, 18/F.
CY2022	dei	Entity Address Address Line2 EntityAddressAddressLine2	Gee Chang Hong Centre
CY2022	dei	Entity Address City Or Town EntityAddressCityOrTown	65 Wong Chuk Hang Road
CY2022	dei	Entity Address Country EntityAddressCountry	HK
CY2022	dei	Security12b Title Security12bTitle	Ordinary Shares, no par value
CY2022	dei	Trading Symbol TradingSymbol	CLWT
CY2022	dei	Security Exchange Name SecurityExchangeName	NASDAQ
CY2022Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	7723632	shares
CY2022	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2022	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2022	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2022	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2022	dei	Entity Filer Category EntityFilerCategory	Non-accelerated Filer
CY2022	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2022	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	false
CY2022	dei	Document Accounting Standard DocumentAccountingStandard	U.S. GAAP
CY2022	dei	Document Registration Statement DocumentRegistrationStatement	false
CY2022	dei	Entity Shell Company EntityShellCompany	false
CY2022	dei	Auditor Firm AuditorFirmId	6743
CY2022	dei	Auditor Name AuditorName	J&S Associate PLT
CY2022	dei	Auditor Location AuditorLocation	Kuala Lumpur, Malaysia
CY2022Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	5628000	usd
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	5269000	usd
CY2022Q4	us-gaap	Restricted Cash Current RestrictedCashCurrent	930000	usd
CY2021Q4	us-gaap	Restricted Cash Current RestrictedCashCurrent	1411000	usd
CY2022Q4	us-gaap	Accounts Receivable Net AccountsReceivableNet	1586000	usd
CY2021Q4	us-gaap	Accounts Receivable Net AccountsReceivableNet	3631000	usd
CY2022Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	486000	usd
CY2021Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	572000	usd
CY2022Q4	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	217000	usd
CY2021Q4	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	74000	usd
CY2022Q4	us-gaap	Inventory Net InventoryNet	603000	usd
CY2021Q4	us-gaap	Inventory Net InventoryNet	547000	usd
CY2022Q4	us-gaap	Assets Current AssetsCurrent	9450000	usd
CY2021Q4	us-gaap	Assets Current AssetsCurrent	11504000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	179000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	215000	usd
CY2022Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	8251000	usd
CY2021Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	8077000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	1071000	usd
CY2021Q4	us-gaap	Goodwill Goodwill	1071000	usd
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	219000	usd
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	238000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	108000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	145000	usd
CY2022Q4	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	85000	usd
CY2021Q4	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	0	usd
CY2022Q4	us-gaap	Assets Assets	19363000	usd
CY2021Q4	us-gaap	Assets Assets	21250000	usd
CY2022Q4	us-gaap	Short Term Bank Loans And Notes Payable ShortTermBankLoansAndNotesPayable	222000	usd
CY2021Q4	us-gaap	Short Term Bank Loans And Notes Payable ShortTermBankLoansAndNotesPayable	376000	usd
CY2022Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	2279000	usd
CY2021Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	3151000	usd
CY2022Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	625000	usd
CY2021Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	1076000	usd
CY2022Q4	us-gaap	Other Accounts Payable And Accrued Liabilities OtherAccountsPayableAndAccruedLiabilities	1231000	usd
CY2021Q4	us-gaap	Other Accounts Payable And Accrued Liabilities OtherAccountsPayableAndAccruedLiabilities	1585000	usd
CY2022Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	113000	usd
CY2021Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	175000	usd
CY2022Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	0	usd
CY2021Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	42000	usd
CY2022Q4	us-gaap	Liabilities Current LiabilitiesCurrent	4470000	usd
CY2021Q4	us-gaap	Liabilities Current LiabilitiesCurrent	6405000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	0	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	3000	usd
CY2022Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	87000	usd
CY2021Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	41000	usd
CY2022Q4	us-gaap	Liabilities Liabilities	4557000	usd
CY2021Q4	us-gaap	Liabilities Liabilities	6449000	usd
CY2022Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies	0	usd
CY2020	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	-1429000	usd
CY2021Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies	0	usd
CY2022Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	20000000	shares
CY2022Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	7899832	shares
CY2021Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	7899832	shares
CY2022Q4	us-gaap	Common Stock Value CommonStockValue	123000	usd
CY2021Q4	us-gaap	Common Stock Value CommonStockValue	123000	usd
CY2022Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	9715000	usd
CY2021Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	9670000	usd
CY2022Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	167700	shares
CY2022Q4	us-gaap	Treasury Stock Value TreasuryStockValue	786000	usd
CY2021Q4	us-gaap	Treasury Stock Value TreasuryStockValue	786000	usd
CY2022Q4	clwt	Prc Statutory Reserve PRCStatutoryReserve	362000	usd
CY2021Q4	clwt	Prc Statutory Reserve PRCStatutoryReserve	316000	usd
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	725000	usd
CY2021Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	787000	usd
CY2022Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	3633000	usd
CY2021Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	3774000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	13772000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	13884000	usd
CY2022Q4	us-gaap	Minority Interest MinorityInterest	1034000	usd
CY2021Q4	us-gaap	Minority Interest MinorityInterest	917000	usd
CY2022Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	14806000	usd
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	14801000	usd
CY2022Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	19363000	usd
CY2021Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	21250000	usd
CY2022	clwt	Trading And Manufacturingrevenue TradingAndManufacturingrevenue	9332000	usd
CY2021	clwt	Trading And Manufacturingrevenue TradingAndManufacturingrevenue	9619000	usd
CY2020	clwt	Trading And Manufacturingrevenue TradingAndManufacturingrevenue	9476000	usd
CY2022	clwt	Engineering Revenue EngineeringRevenue	5617000	usd
CY2021	clwt	Engineering Revenue EngineeringRevenue	11769000	usd
CY2020	clwt	Engineering Revenue EngineeringRevenue	3881000	usd
CY2022	us-gaap	Revenues Revenues	14949000	usd
CY2021	us-gaap	Revenues Revenues	21388000	usd
CY2020	us-gaap	Revenues Revenues	13357000	usd
CY2022	clwt	Trading And Manufacturing TradingAndManufacturing	-7345000	usd
CY2021	clwt	Trading And Manufacturing TradingAndManufacturing	-6938000	usd
CY2020	clwt	Trading And Manufacturing TradingAndManufacturing	-7048000	usd
CY2022	clwt	Engineering Engineering	-2986000	usd
CY2021	clwt	Engineering Engineering	-8755000	usd
CY2020	clwt	Engineering Engineering	-2624000	usd
CY2022	us-gaap	Cost Of Revenue CostOfRevenue	10331000	usd
CY2021	us-gaap	Cost Of Revenue CostOfRevenue	15693000	usd
CY2020	us-gaap	Cost Of Revenue CostOfRevenue	9672000	usd
CY2022	us-gaap	Gross Profit GrossProfit	4618000	usd
CY2021	us-gaap	Gross Profit GrossProfit	5695000	usd
CY2020	us-gaap	Gross Profit GrossProfit	3685000	usd
CY2022	clwt	Finance Costs FinanceCosts	-7000	usd
CY2021	clwt	Finance Costs FinanceCosts	-3000	usd
CY2020	clwt	Finance Costs FinanceCosts	-12000	usd
CY2022	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	4490000	usd
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CY2022	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	7000	usd
CY2021	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	10000	usd
CY2022	us-gaap	Operating Expenses OperatingExpenses	-4504000	usd
CY2021	us-gaap	Operating Expenses OperatingExpenses	-4924000	usd
CY2020	us-gaap	Operating Expenses OperatingExpenses	-3957000	usd
CY2022	us-gaap	Operating Income Loss OperatingIncomeLoss	114000	usd
CY2021	us-gaap	Operating Income Loss OperatingIncomeLoss	771000	usd
CY2020	us-gaap	Operating Income Loss OperatingIncomeLoss	-272000	usd
CY2022	clwt	Interests Income InterestsIncome	23000	usd
CY2021	clwt	Interests Income InterestsIncome	23000	usd
CY2020	clwt	Interests Income InterestsIncome	28000	usd
CY2022	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	413000	usd
CY2021	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	355000	usd
CY2020	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	435000	usd
CY2022	us-gaap	Other Income OtherIncome	13000	usd
CY2021	us-gaap	Other Income OtherIncome	127000	usd
CY2020	us-gaap	Other Income OtherIncome	307000	usd
CY2022	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	449000	usd
CY2021	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	505000	usd
CY2020	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	770000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	563000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	1276000	usd
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	498000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-24000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	90000	usd
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-96000	usd
CY2022	us-gaap	Profit Loss ProfitLoss	539000	usd
CY2021	us-gaap	Profit Loss ProfitLoss	1366000	usd
CY2020	us-gaap	Profit Loss ProfitLoss	402000	usd
CY2022	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	170000	usd
CY2021	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	377000	usd
CY2020	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-367000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	369000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	989000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	769000	usd
CY2022	clwt	Othet Net Income Loss OthetNetIncomeLoss	539000	usd
CY2021	clwt	Othet Net Income Loss OthetNetIncomeLoss	1366000	usd
CY2020	clwt	Othet Net Income Loss OthetNetIncomeLoss	402000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-115000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-52000	usd
CY2020	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-31000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	424000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	1314000	usd
CY2020	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	371000	usd
CY2022	clwt	Comprehensive Income Loss Attributable To Noncontrolling Interests ComprehensiveIncomeLossAttributableToNoncontrollingInterests	-117000	usd
CY2021	clwt	Comprehensive Income Loss Attributable To Noncontrolling Interests ComprehensiveIncomeLossAttributableToNoncontrollingInterests	-389000	usd
CY2020	clwt	Comprehensive Income Loss Attributable To Noncontrolling Interests ComprehensiveIncomeLossAttributableToNoncontrollingInterests	350000	usd
CY2022	clwt	Comprehensive Income Attributable To Euro Tech Holdings Company Limited ComprehensiveIncomeAttributableToEuroTechHoldingsCompanyLimited	307000	usd
CY2021	clwt	Comprehensive Income Attributable To Euro Tech Holdings Company Limited ComprehensiveIncomeAttributableToEuroTechHoldingsCompanyLimited	925000	usd
CY2020	clwt	Comprehensive Income Attributable To Euro Tech Holdings Company Limited ComprehensiveIncomeAttributableToEuroTechHoldingsCompanyLimited	721000	usd
CY2022	clwt	Earnings Per Shares Basic And Diluted EarningsPerSharesBasicAndDiluted	0.05
CY2021	clwt	Earnings Per Shares Basic And Diluted EarningsPerSharesBasicAndDiluted	0.13
CY2020	clwt	Earnings Per Shares Basic And Diluted EarningsPerSharesBasicAndDiluted	0.10
CY2022	clwt	Weighted Average Number Of Shares Outstanding Basic And Diluted WeightedAverageNumberOfSharesOutstandingBasicAndDiluted	7732132	shares
CY2021	clwt	Weighted Average Number Of Shares Outstanding Basic And Diluted WeightedAverageNumberOfSharesOutstandingBasicAndDiluted	7732132	shares
CY2020	clwt	Weighted Average Number Of Shares Outstanding Basic And Diluted WeightedAverageNumberOfSharesOutstandingBasicAndDiluted	7732132	shares
CY2022	us-gaap	Net Income Loss NetIncomeLoss	369000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	989000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	769000	usd
CY2022	us-gaap	Depreciation Depreciation	33000	usd
CY2021	us-gaap	Depreciation Depreciation	38000	usd
CY2020	us-gaap	Depreciation Depreciation	49000	usd
CY2022	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	7000	usd
CY2021	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	10000	usd
CY2020	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	-1429000	usd
CY2022	us-gaap	Share Based Compensation ShareBasedCompensation	45000	usd
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	55000	usd
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	54000	usd
CY2022	clwt	Non Controlling Interests In Income Loss Of Subsidiaries NonControllingInterestsInIncomeLossOfSubsidiaries	170000	usd
CY2021	clwt	Non Controlling Interests In Income Loss Of Subsidiaries NonControllingInterestsInIncomeLossOfSubsidiaries	377000	usd
CY2020	clwt	Non Controlling Interests In Income Loss Of Subsidiaries NonControllingInterestsInIncomeLossOfSubsidiaries	-367000	usd
CY2022	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	413000	usd
CY2021	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	355000	usd
CY2020	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	435000	usd
CY2022	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	34000	usd
CY2021	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-145000	usd
CY2020	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	92000	usd
CY2022	clwt	Increase Decrease In Operating Lease Liabilty Current IncreaseDecreaseInOperatingLeaseLiabiltyCurrent	46000	usd
CY2021	clwt	Increase Decrease In Operating Lease Liabilty Current IncreaseDecreaseInOperatingLeaseLiabiltyCurrent	-53000	usd
CY2020	clwt	Increase Decrease In Operating Lease Liabilty Current IncreaseDecreaseInOperatingLeaseLiabiltyCurrent	-122000	usd
CY2022	clwt	Increase Decreas In Operating Lease Right Of Use Asset IncreaseDecreasInOperatingLeaseRightOfUseAsset	19000	usd
CY2021	clwt	Increase Decreas In Operating Lease Right Of Use Asset IncreaseDecreasInOperatingLeaseRightOfUseAsset	-5000	usd
CY2020	clwt	Increase Decreas In Operating Lease Right Of Use Asset IncreaseDecreasInOperatingLeaseRightOfUseAsset	173000	usd
CY2022	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	2045000	usd
CY2021	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-432000	usd
CY2020	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	387000	usd
CY2022	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	86000	usd
CY2021	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	942000	usd
CY2020	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-766000	usd
CY2022	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	-143000	usd
CY2021	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	128000	usd
CY2020	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	239000	usd
CY2022	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-56000	usd
CY2021	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-205000	usd
CY2020	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	244000	usd
CY2022	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-872000	usd
CY2021	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	757000	usd
CY2020	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-1520000	usd
CY2022	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-451000	usd
CY2021	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	13000	usd
CY2020	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	194000	usd
CY2022	us-gaap	Increase Decrease In Other Accounts Payable And Accrued Liabilities IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities	-354000	usd
CY2021	us-gaap	Increase Decrease In Other Accounts Payable And Accrued Liabilities IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities	-8000	usd
CY2020	us-gaap	Increase Decrease In Other Accounts Payable And Accrued Liabilities IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities	451000	usd
CY2022	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-42000	usd
CY2021	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	38000	usd
CY2020	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-52000	usd
CY2022	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	62000	usd
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	57000	usd
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	4000	usd
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	461000	usd
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	2201000	usd
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-2035000	usd
CY2022	clwt	Payment To Acquire Property Plant And Equipment PaymentToAcquirePropertyPlantAndEquipment	7000	usd
CY2021	clwt	Payment To Acquire Property Plant And Equipment PaymentToAcquirePropertyPlantAndEquipment	4000	usd
CY2020	clwt	Payment To Acquire Property Plant And Equipment PaymentToAcquirePropertyPlantAndEquipment	11000	usd
CY2022	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	0	usd
CY2021	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	0	usd
CY2020	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	1835000	usd
CY2022	us-gaap	Cash Dividends Paid To Parent Company CashDividendsPaidToParentCompany	239000	usd
CY2021	us-gaap	Cash Dividends Paid To Parent Company CashDividendsPaidToParentCompany	362000	usd
CY2020	us-gaap	Cash Dividends Paid To Parent Company CashDividendsPaidToParentCompany	71000	usd
CY2022	us-gaap	Proceeds From Sale Of Other Investments ProceedsFromSaleOfOtherInvestments	0	usd
CY2021	us-gaap	Proceeds From Sale Of Other Investments ProceedsFromSaleOfOtherInvestments	0	usd
CY2020	us-gaap	Proceeds From Sale Of Other Investments ProceedsFromSaleOfOtherInvestments	148000	usd
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	232000	usd
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	358000	usd
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	2043000	usd
CY2022	us-gaap	Payments Of Dividends PaymentsOfDividends	464000	usd
CY2021	us-gaap	Payments Of Dividends PaymentsOfDividends	1031000	usd
CY2020	us-gaap	Payments Of Dividends PaymentsOfDividends	1299000	usd
CY2022	us-gaap	Proceeds From Bank Debt ProceedsFromBankDebt	868000	usd
CY2021	us-gaap	Proceeds From Bank Debt ProceedsFromBankDebt	782000	usd
CY2020	us-gaap	Proceeds From Bank Debt ProceedsFromBankDebt	804000	usd
CY2022	us-gaap	Repayments Of Bank Debt RepaymentsOfBankDebt	1022000	usd
CY2021	us-gaap	Repayments Of Bank Debt RepaymentsOfBankDebt	767000	usd
CY2020	us-gaap	Repayments Of Bank Debt RepaymentsOfBankDebt	1008000	usd
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-618000	usd
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-1016000	usd
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-1503000	usd
CY2022	us-gaap	Temporary Equity Foreign Currency Translation Adjustments TemporaryEquityForeignCurrencyTranslationAdjustments	112000	usd
CY2021	us-gaap	Temporary Equity Foreign Currency Translation Adjustments TemporaryEquityForeignCurrencyTranslationAdjustments	54000	usd
CY2020	us-gaap	Temporary Equity Foreign Currency Translation Adjustments TemporaryEquityForeignCurrencyTranslationAdjustments	34000	usd
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-37000	usd
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	1489000	usd
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-1529000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	6680000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	5191000	usd
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	6720000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	6643000	usd
CY2022	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	5628000	usd
CY2021	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	5269000	usd
CY2020	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	3519000	usd
CY2022	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1015	usd
CY2021	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1411	usd
CY2020	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1672	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	6680000	usd
CY2022	us-gaap	Income Taxes Paid IncomeTaxesPaid	42000	usd
CY2021	us-gaap	Income Taxes Paid IncomeTaxesPaid	20000	usd
CY2020	us-gaap	Income Taxes Paid IncomeTaxesPaid	0	usd
CY2022	us-gaap	Interest Paid Net InterestPaidNet	7000	usd
CY2021	us-gaap	Interest Paid Net InterestPaidNet	3000	usd
CY2020	us-gaap	Interest Paid Net InterestPaidNet	12000	usd
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	15337000	usd
CY2020	clwt	Foreign Currency Translation Adjustments ForeignCurrencyTranslationAdjustments	-31000	usd
CY2020	clwt	Payment To Minority Shareholders PaymentToMinorityShareholders	1299000	usd
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	54000	usd
CY2020	us-gaap	Profit Loss ProfitLoss	402000	usd
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	14463000	usd
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	14463000	usd
CY2021	clwt	Foreign Currency Translation Adjustments ForeignCurrencyTranslationAdjustments	-52000	usd
CY2021	clwt	Payment To Minority Shareholders PaymentToMinorityShareholders	1031000	usd
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	55000	usd
CY2021	us-gaap	Profit Loss ProfitLoss	1366000	usd
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	14801000	usd
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	14801000	usd
CY2022	clwt	Foreign Currency Translation Adjustments ForeignCurrencyTranslationAdjustments	-115000	usd
CY2022	clwt	Payment To Minority Shareholders PaymentToMinorityShareholders	464000	usd
CY2022	us-gaap	Share Based Compensation ShareBasedCompensation	45000	usd
CY2022	clwt	Appropriation To Statutory Reserve AppropriationToStatutoryReserve	0	usd
CY2022	us-gaap	Profit Loss ProfitLoss	539000	usd
CY2022Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	14806000	usd
CY2022	clwt	Schedule Of Significant Subsidiaries ScheduleOfSignificantSubsidiaries	<table cellpadding="0" style="border-spacing:0;font-size:10pt;width:100%"><tbody><tr style="height:15px"><td style="BORDER-BOTTOM: 1px solid;width:16%;vertical-align:bottom;"><p style="font-size:10pt;font-family:times new roman;margin:0px">Company name</p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="BORDER-BOTTOM: 1px solid;width:13%;vertical-align:bottom;"><p style="font-size:10pt;font-family:times new roman;margin:0px">Place of incorporation and principal place of operation</p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="BORDER-BOTTOM: 1px solid;width:26%;vertical-align:bottom;"><p style="font-size:10pt;font-family:times new roman;margin:0px">Principal activities</p><p style="font-size:10pt;font-family:times new roman;margin:0px">and place of operation</p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td colspan="3" style="BORDER-BOTTOM: 1px solid;width:15%;vertical-align:bottom;"><p style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; MARGIN: 0px; text-align:center;">Effective interest</p><p style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; MARGIN: 0px; text-align:center;">held</p></td></tr><tr style="height:15px"><td style="width:16%;"><p style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; MARGIN: 0px; text-align:justify;"> </p></td><td style="width:1%;"><p style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; MARGIN: 0px; text-align:justify;"> </p></td><td style="width:13%;"><p style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; MARGIN: 0px; text-align:justify;"> </p></td><td style="width:1%;"><p style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; MARGIN: 0px; text-align:justify;"> </p></td><td style="width:26%;"><p style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; MARGIN: 0px; text-align:justify;"> </p></td><td style="width:1%;"><p style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; MARGIN: 0px; text-align:justify;"> </p></td><td style="BORDER-BOTTOM: #000000 1px solid;width:7%;vertical-align:top;"><p style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; MARGIN: 0px; text-align:center;">2022</p></td><td style="width:1%;"><p style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; MARGIN: 0px; text-align:center;"> </p></td><td style="BORDER-BOTTOM: #000000 1px solid;width:7%;vertical-align:top;"><p style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; MARGIN: 0px; text-align:center;">2021</p></td></tr><tr style="height:15px"><td style="width:16%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:13%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:26%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:7%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:7%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td></tr><tr style="height:15px"><td style="width:16%;vertical-align:top;"><p style="font-size:10pt;font-family:times new roman;margin:0px">Euro Tech (Far East) Limited</p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:13%;vertical-align:top;"><p style="font-size:10pt;font-family:times new roman;margin:0px">Hong Kong</p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:26%;vertical-align:top;"><p style="font-size:10pt;font-family:times new roman;margin:0px">Marketing and trading of water and waste water related process control, analytical and testing instruments, disinfection equipment, supplies and related automation systems</p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:7%;vertical-align:top;"><p style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; MARGIN: 0px; text-align:left;">100%</p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:7%;vertical-align:top;"><p style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; MARGIN: 0px; text-align:left;">100%</p></td></tr><tr style="height:15px"><td style="width:16%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:13%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:26%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:7%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:7%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td></tr><tr style="height:15px"><td style="width:16%;vertical-align:top;"><p style="font-size:10pt;font-family:times new roman;margin:0px">Euro Tech Trading (Shanghai) Limited</p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:13%;vertical-align:top;"><p style="font-size:10pt;font-family:times new roman;margin:0px">The PRC</p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:26%;vertical-align:top;"><p style="font-size:10pt;font-family:times new roman;margin:0px">Inactive</p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:7%;vertical-align:top;"><p style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; MARGIN: 0px; text-align:left;">100%</p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:7%;vertical-align:top;"><p style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; MARGIN: 0px; text-align:left;">100%</p></td></tr><tr style="height:15px"><td style="width:16%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:13%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:26%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:7%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:7%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td></tr><tr style="height:15px"><td style="width:16%;vertical-align:top;"><p style="font-size:10pt;font-family:times new roman;margin:0px">Shanghai Euro Tech Limited</p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:13%;vertical-align:top;"><p style="font-size:10pt;font-family:times new roman;margin:0px">The PRC</p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:26%;vertical-align:top;"><p style="font-size:10pt;font-family:times new roman;margin:0px">Manufacturing of analytical and testing equipment</p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:7%;vertical-align:top;"><p style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; MARGIN: 0px; text-align:left;">100%</p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:7%;vertical-align:top;"><p style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; MARGIN: 0px; text-align:left;">100%</p></td></tr><tr style="height:15px"><td style="width:16%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:13%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:26%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:7%;"><p style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; MARGIN: 0px; text-align:left;"> </p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:7%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td></tr><tr style="height:15px"><td style="width:16%;vertical-align:top;"><p style="font-size:10pt;font-family:times new roman;margin:0px">Shanghai Euro Tech Environmental </p><p style="font-size:10pt;font-family:times new roman;margin:0px">Engineering Company Limited</p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:13%;vertical-align:top;"><p style="font-size:10pt;font-family:times new roman;margin:0px">The PRC</p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:26%;vertical-align:top;"><p style="font-size:10pt;font-family:times new roman;margin:0px">Inactive</p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:7%;vertical-align:top;"><p style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; MARGIN: 0px; text-align:left;">- (note 1)</p><p style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; MARGIN: 0px; text-align:left;"> </p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:7%;vertical-align:top;"><p style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; MARGIN: 0px; text-align:left;">-</p></td></tr><tr style="height:15px"><td style="width:16%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:13%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:26%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:7%;"><p style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; MARGIN: 0px; text-align:left;"> </p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:7%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td></tr><tr style="height:15px"><td style="width:16%;vertical-align:top;"><p style="font-size:10pt;font-family:times new roman;margin:0px">Yixing Pact Environmental Technology Co., Ltd.</p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:13%;vertical-align:top;"><p style="font-size:10pt;font-family:times new roman;margin:0px">The PRC</p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:26%;vertical-align:top;"><p style="font-size:10pt;font-family:times new roman;margin:0px">Design, manufacturing and operation of water and waste water treatment machinery and equipment</p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:7%;vertical-align:top;"><p style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; MARGIN: 0px; text-align:left;">58%</p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:7%;vertical-align:top;"><p style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; MARGIN: 0px; text-align:left;">58%</p></td></tr><tr style="height:15px"><td style="width:16%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:13%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:26%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:7%;"><p style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; MARGIN: 0px; text-align:left;"> </p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:7%;"><p style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; MARGIN: 0px; text-align:center;"> </p></td></tr><tr style="height:15px"><td style="width:16%;vertical-align:top;"><p style="font-size:10pt;font-family:times new roman;margin:0px">Pact Asia Pacific Limited</p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:13%;vertical-align:top;"><p style="font-size:10pt;font-family:times new roman;margin:0px">The British Virgin Islands</p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:26%;vertical-align:top;"><p style="font-size:10pt;font-family:times new roman;margin:0px">Sale of environmental protection equipment, undertaking environment protection projects and providing relevant technology advice, training and services</p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:7%;vertical-align:top;"><p style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; MARGIN: 0px; text-align:left;">58%</p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:7%;vertical-align:top;"><p style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; MARGIN: 0px; text-align:left;">58%</p></td></tr><tr style="height:15px"><td style="width:16%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:13%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:26%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:7%;"><p style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; MARGIN: 0px; text-align:left;"> </p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:7%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td></tr><tr style="height:15px"><td colspan="3" style="width:30%;vertical-align:top;"><p style="font-size:10pt;font-family:times new roman;margin:0px">Non-consolidating affiliate:</p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:26%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:7%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:7%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td></tr><tr style="height:15px"><td style="width:16%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:13%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:26%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:7%;"><p style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; MARGIN: 0px; text-align:left;"> </p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:7%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td></tr><tr style="height:15px"><td style="width:16%;vertical-align:top;"><p style="font-size:10pt;font-family:times new roman;margin:0px">Zhejiang Tianlan Environmental Protection Technology Co. Ltd (“Blue Sky”) * </p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:13%;vertical-align:top;"><p style="font-size:10pt;font-family:times new roman;margin:0px">The PRC</p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:26%;vertical-align:top;"><p style="font-size:10pt;font-family:times new roman;margin:0px">Design, general contract, equipment manufacturing, installation, testing and operation management of the treatment of waste gases emitted</p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:7%;vertical-align:top;"><p style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; MARGIN: 0px; text-align:left;">19.4%</p></td><td style="width:1%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:7%;vertical-align:top;"><p style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; MARGIN: 0px; text-align:left;">19.4%</p></td></tr></tbody></table>
CY2021Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	30000	usd
CY2022Q4	us-gaap	Accounts Receivable Net AccountsReceivableNet	1586000	usd
CY2022Q4	clwt	Engineering Segment Backlog EngineeringSegmentBacklog	6000000	usd
CY2021Q4	clwt	Engineering Segment Backlog EngineeringSegmentBacklog	5400000	usd
CY2022	clwt	Unrecognized Contract Revenue UnrecognizedContractRevenue	6000000	usd
CY2021	clwt	Unrecognized Contract Revenue UnrecognizedContractRevenue	5400000	usd
CY2021	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	61000	usd
CY2020	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	497000	usd
CY2022	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	9000	usd
CY2021	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	7000	usd
CY2020	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	7000	usd
CY2021Q4	us-gaap	Accounts Receivable Net AccountsReceivableNet	3631000	usd
CY2020	us-gaap	Revenues Revenues	13357000	usd
CY2019Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	1030950	shares
CY2021Q1	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	2061900	shares
CY2022Q4	us-gaap	Accounts Receivable Gross AccountsReceivableGross	1614000	usd
CY2021Q4	us-gaap	Assets Assets	21250000	usd
CY2021Q4	us-gaap	Liabilities Liabilities	6449000	usd
CY2021	clwt	Geographical Analysis Of Longlived Assets GeographicalAnalysisOfLonglivedAssets	215000	usd
CY2021Q4	us-gaap	Accounts Receivable Gross AccountsReceivableGross	3661000	usd
CY2022Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	28000	usd
CY2022	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	33000	usd
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	38000	usd
CY2021Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	30000	usd
CY2020Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	30000	usd
CY2022	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	2000	usd
CY2021	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	0	usd
CY2022Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	28000	usd
CY2021Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	30000	usd
CY2022Q4	us-gaap	Accounts Receivable Net AccountsReceivableNet	1586000	usd
CY2021Q4	us-gaap	Accounts Receivable Net AccountsReceivableNet	3631000	usd
CY2022Q4	us-gaap	Deposit Assets DepositAssets	255000	usd
CY2021Q4	us-gaap	Deposit Assets DepositAssets	243000	usd
CY2022Q4	us-gaap	Prepaid Expense Current And Noncurrent PrepaidExpenseCurrentAndNoncurrent	76000	usd
CY2021Q4	us-gaap	Prepaid Expense Current And Noncurrent PrepaidExpenseCurrentAndNoncurrent	104000	usd
CY2022Q4	us-gaap	Other Receivables OtherReceivables	152000	usd
CY2021Q4	us-gaap	Other Receivables OtherReceivables	222000	usd
CY2022Q4	clwt	Other Tax Recoverable OtherTaxRecoverable	3000	usd
CY2021Q4	clwt	Other Tax Recoverable OtherTaxRecoverable	3000	usd
CY2022Q4	us-gaap	Prepaid Expense And Other Assets PrepaidExpenseAndOtherAssets	486000	usd
CY2021Q4	us-gaap	Prepaid Expense And Other Assets PrepaidExpenseAndOtherAssets	572000	usd
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	49000	usd
CY2022Q4	srt	Bank Loans BankLoans	84000	usd
CY2022Q4	clwt	Costs And Estimated Earnings On Uncompleted Contracts In Excess Of Billings Unbilled Revenue CostsAndEstimatedEarningsOnUncompletedContractsInExcessOfBillingsUnbilledRevenue	217000	usd
CY2021Q4	clwt	Costs And Estimated Earnings On Uncompleted Contracts In Excess Of Billings Unbilled Revenue CostsAndEstimatedEarningsOnUncompletedContractsInExcessOfBillingsUnbilledRevenue	74000	usd
CY2022Q4	us-gaap	Deferred Revenue DeferredRevenue	625000	usd
CY2021Q4	us-gaap	Deferred Revenue DeferredRevenue	1076000	usd
CY2022Q4	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	217000	usd
CY2021Q4	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	74000	usd
CY2022Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	625	usd
CY2021Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	1076	usd
CY2022Q4	clwt	Contract With Customer Asset Liability Net ContractWithCustomerAssetLiabilityNet	-408000	usd
CY2021Q4	clwt	Contract With Customer Asset Liability Net ContractWithCustomerAssetLiabilityNet	-1002000	usd
CY2022Q4	clwt	Costs Incurred In Contracts In Process CostsIncurredInContractsInProcess	682000	usd
CY2021Q4	clwt	Costs Incurred In Contracts In Process CostsIncurredInContractsInProcess	169000	usd
CY2022Q4	clwt	Costs And Estimated Earnings On Uncompleted Contracts CostsAndEstimatedEarningsOnUncompletedContracts	750000	usd
CY2021Q4	clwt	Costs And Estimated Earnings On Uncompleted Contracts CostsAndEstimatedEarningsOnUncompletedContracts	228000	usd
CY2022Q4	clwt	Billings To Date BillingsToDate	-1158000	usd
CY2021Q4	clwt	Billings To Date BillingsToDate	-1230000	usd
CY2022Q4	clwt	Unbilled Revenue UnbilledRevenue	217000	usd
CY2021Q4	clwt	Unbilled Revenue UnbilledRevenue	74000	usd
CY2022Q4	clwt	Estimated Earnings EstimatedEarnings	-408000	usd
CY2021Q4	clwt	Estimated Earnings EstimatedEarnings	-1002000	usd
CY2022	clwt	Trading And Manufacturing Revenue TradingAndManufacturingRevenue	9332000	usd
CY2021	clwt	Trading And Manufacturing Revenue TradingAndManufacturingRevenue	9619000	usd
CY2020	clwt	Trading And Manufacturing Revenue TradingAndManufacturingRevenue	9476000	usd
CY2022	clwt	Engineering Revenue EngineeringRevenue	5617000	usd
CY2021	clwt	Engineering Revenue EngineeringRevenue	11769000	usd
CY2020	clwt	Engineering Revenue EngineeringRevenue	3881000	usd
CY2022	us-gaap	Revenues Revenues	14949000	usd
CY2021	us-gaap	Revenues Revenues	21388000	usd
CY2021Q4	srt	Bank Loans BankLoans	88000	usd
CY2022Q4	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	285000	usd
CY2021Q4	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	89000	usd
CY2022Q4	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	10000	usd
CY2021Q4	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	20000	usd
CY2022Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	308000	usd
CY2021Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	438000	usd
CY2022Q4	us-gaap	Inventory Net InventoryNet	603000	usd
CY2021Q4	us-gaap	Inventory Net InventoryNet	547000	usd
CY2022	us-gaap	Inventory Write Down InventoryWriteDown	4000000	usd
CY2021	us-gaap	Inventory Write Down InventoryWriteDown	55000000	usd
CY2022Q4	clwt	Buildings Gross BuildingsGross	673000	usd
CY2021Q4	clwt	Buildings Gross BuildingsGross	673000	usd
CY2022Q4	us-gaap	Leasehold Improvements Gross LeaseholdImprovementsGross	67000	usd
CY2021Q4	us-gaap	Leasehold Improvements Gross LeaseholdImprovementsGross	125000	usd
CY2022Q4	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	311000	usd
CY2021Q4	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	439000	usd
CY2022Q4	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	173000	usd
CY2021Q4	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	175000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Other PropertyPlantAndEquipmentOther	32000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Other PropertyPlantAndEquipmentOther	37000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	1256000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	1449000	usd
CY2022Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	1077000	usd
CY2021Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	1234000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	179000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	215000	usd
CY2022Q4	us-gaap	Dividends Payable Current DividendsPayableCurrent	80000	usd
CY2021Q4	us-gaap	Dividends Payable Current DividendsPayableCurrent	86000	usd
CY2022Q4	us-gaap	Customer Deposits Current CustomerDepositsCurrent	5000	usd
CY2022	srt	Interest Earning Assets Net Yield InterestEarningAssetsNetYield	0.194	pure
CY2021	srt	Interest Earning Assets Net Yield InterestEarningAssetsNetYield	0.194	pure
CY2022Q4	us-gaap	Long Term Investments LongTermInvestments	5540000	usd
CY2021Q4	us-gaap	Long Term Investments LongTermInvestments	5540000	usd
CY2022	us-gaap	Undistributed Earnings UndistributedEarnings	2711000	usd
CY2021	us-gaap	Undistributed Earnings UndistributedEarnings	2537000	usd
CY2022Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	8251000	usd
CY2021Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	8077000	usd
CY2021Q4	us-gaap	Goodwill Goodwill	1071000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	1071000	usd
CY2022Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	69000	usd
CY2021Q4	us-gaap	Customer Deposits Current CustomerDepositsCurrent	6000	usd
CY2022Q4	clwt	Rental Deposit Received RentalDepositReceived	3000	usd
CY2021Q4	clwt	Rental Deposit Received RentalDepositReceived	3000	usd
CY2022Q4	clwt	Accrued Operating Expenses AccruedOperatingExpenses	951000	usd
CY2021Q4	clwt	Accrued Operating Expenses AccruedOperatingExpenses	1360000	usd
CY2022Q4	us-gaap	Accrual For Taxes Other Than Income Taxes Current AccrualForTaxesOtherThanIncomeTaxesCurrent	192000	usd
CY2021Q4	us-gaap	Accrual For Taxes Other Than Income Taxes Current AccrualForTaxesOtherThanIncomeTaxesCurrent	130000	usd
CY2022Q4	us-gaap	Accounts Payable And Accrued Liabilities Fair Value Disclosure AccountsPayableAndAccruedLiabilitiesFairValueDisclosure	1231000	usd
CY2021Q4	us-gaap	Accounts Payable And Accrued Liabilities Fair Value Disclosure AccountsPayableAndAccruedLiabilitiesFairValueDisclosure	1585000	usd
CY2022	us-gaap	Operating Lease Cost OperatingLeaseCost	175000	usd
CY2021	us-gaap	Operating Lease Cost OperatingLeaseCost	243000	usd
CY2022	us-gaap	Short Term Lease Cost ShortTermLeaseCost	121000	usd
CY2021	us-gaap	Short Term Lease Cost ShortTermLeaseCost	62000	usd
CY2022	us-gaap	Lease Cost LeaseCost	296000	usd
CY2021	us-gaap	Lease Cost LeaseCost	305000	usd
CY2022	us-gaap	Operating Lease Payments OperatingLeasePayments	195000	usd
CY2021	us-gaap	Operating Lease Payments OperatingLeasePayments	196000	usd
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	219000	usd
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	238000	usd
CY2022Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	113000	usd
CY2021Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	175000	usd
CY2022Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	87000	usd
CY2021Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	41000	usd
CY2022Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	200000	usd
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	216000	usd
CY2022Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0444	pure
CY2021Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0500	pure
CY2022Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	134000	usd
CY2022	clwt	Exchange Gain Loss Net ExchangeGainLossNet	-93000	usd
CY2022Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	203000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	3000	usd
CY2022Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	200000	usd
CY2021Q1	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	2061900	shares
CY2022Q1	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	2577373	shares
CY2022Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	7899832	shares
CY2021Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	7899832	shares
CY2022Q4	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	167700	shares
CY2021Q4	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	167700	shares
CY2022Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	7732132	shares
CY2021Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	7732132	shares
CY2020	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	48000	usd
CY2022	us-gaap	Income Tax Reconciliation Prior Year Income Taxes IncomeTaxReconciliationPriorYearIncomeTaxes	0	usd
CY2021	clwt	Exchange Gain Loss Net ExchangeGainLossNet	77000	usd
CY2020	clwt	Exchange Gain Loss Net ExchangeGainLossNet	101000	usd
CY2022	us-gaap	Rental Income Nonoperating RentalIncomeNonoperating	37000	usd
CY2021	us-gaap	Rental Income Nonoperating RentalIncomeNonoperating	50000	usd
CY2020	us-gaap	Rental Income Nonoperating RentalIncomeNonoperating	59000	usd
CY2022	clwt	Government Subsidies GovernmentSubsidies	69000	usd
CY2021	clwt	Government Subsidies GovernmentSubsidies	0	usd
CY2020	clwt	Government Subsidies GovernmentSubsidies	147000	usd
CY2022	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	13000	usd
CY2021	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	127000	usd
CY2020	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	307000	usd
CY2021	clwt	Current Tax Expenses Prc And Hong Kong CurrentTaxExpensesPrcAndHongKong	-57000	usd
CY2020	clwt	Current Tax Expenses Prc And Hong Kong CurrentTaxExpensesPrcAndHongKong	-4000	usd
CY2021	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	-57000	usd
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	-4000	usd
CY2022	clwt	Deferred Tax Benefit Prc And Hong Kong DeferredTaxBenefitPrcAndHongKong	-24000	usd
CY2021	clwt	Deferred Tax Benefit Prc And Hong Kong DeferredTaxBenefitPrcAndHongKong	147000	usd
CY2020	clwt	Deferred Tax Benefit Prc And Hong Kong DeferredTaxBenefitPrcAndHongKong	-92000	usd
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-24000	usd
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	147000	usd
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-92000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-24000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	90000	usd
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-96000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	563000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	1276000	usd
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	498000	usd
CY2022	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	131000	usd
CY2021	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	158000	usd
CY2020	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	133000	usd
CY2022	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	58000	usd
CY2021	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	349000	usd
CY2021	us-gaap	Income Tax Reconciliation Prior Year Income Taxes IncomeTaxReconciliationPriorYearIncomeTaxes	-12000	usd
CY2020	us-gaap	Income Tax Reconciliation Prior Year Income Taxes IncomeTaxReconciliationPriorYearIncomeTaxes	0	usd
CY2022	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	-213000	usd
CY2021	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	-405000	usd
CY2020	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	-277000	usd
CY2022	clwt	Income Taxes Credit Expense At Effective Tax Rate IncomeTaxesCreditExpenseAtEffectiveTaxRate	-24000	usd
CY2021	clwt	Income Taxes Credit Expense At Effective Tax Rate IncomeTaxesCreditExpenseAtEffectiveTaxRate	90000	usd
CY2020	clwt	Income Taxes Credit Expense At Effective Tax Rate IncomeTaxesCreditExpenseAtEffectiveTaxRate	-96000	usd
CY2021Q4	clwt	Deferred Tax Asset Tax Losses DeferredTaxAssetTaxLosses	649000	usd
CY2022Q4	clwt	Deferred Tax Asset Tax Losses DeferredTaxAssetTaxLosses	614000	usd
CY2022Q4	clwt	Deferred Tax Asset Temporary Differences DeferredTaxAssetTemporaryDifferences	0	usd
CY2021Q4	clwt	Deferred Tax Asset Temporary Differences DeferredTaxAssetTemporaryDifferences	-3000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	541000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	469000	usd
CY2022Q4	clwt	Net Deferred Tax Assets Liabilities NetDeferredTaxAssetsLiabilities	108000	usd
CY2021Q4	clwt	Net Deferred Tax Assets Liabilities NetDeferredTaxAssetsLiabilities	142000	usd
CY2022	clwt	Weighted Average Number Of Ordinary Shares For The Purposes Of Basic And Diluted Net Income Per Share WeightedAverageNumberOfOrdinarySharesForThePurposesOfBasicAndDilutedNetIncomePerShare	7732132	shares
CY2021	clwt	Weighted Average Number Of Ordinary Shares For The Purposes Of Basic And Diluted Net Income Per Share WeightedAverageNumberOfOrdinarySharesForThePurposesOfBasicAndDilutedNetIncomePerShare	7732132	shares
CY2020	clwt	Weighted Average Number Of Ordinary Shares For The Purposes Of Basic And Diluted Net Income Per Share WeightedAverageNumberOfOrdinarySharesForThePurposesOfBasicAndDilutedNetIncomePerShare	7732132	shares
CY2022	us-gaap	Pension Contributions PensionContributions	302000	usd
CY2021	us-gaap	Pension Contributions PensionContributions	225000	usd
CY2020	us-gaap	Pension Contributions PensionContributions	104000	usd
CY2022Q4	us-gaap	Line Of Credit Facility Current Borrowing Capacity LineOfCreditFacilityCurrentBorrowingCapacity	897000	usd
CY2021Q4	us-gaap	Line Of Credit Facility Current Borrowing Capacity LineOfCreditFacilityCurrentBorrowingCapacity	897000	usd
CY2022	clwt	Utilised For Issuance Of Bank Guarantees UtilisedForIssuanceOfBankGuarantees	432000	usd
CY2021	clwt	Utilised For Issuance Of Bank Guarantees UtilisedForIssuanceOfBankGuarantees	605000	usd
CY2022Q4	us-gaap	Security Deposit SecurityDeposit	897000	usd
CY2022	us-gaap	Short Term Debt Interest Rate Increase ShortTermDebtInterestRateIncrease	0.067	pure
CY2021	us-gaap	Short Term Debt Interest Rate Increase ShortTermDebtInterestRateIncrease	0.05	pure
CY2022	us-gaap	Loans Assumed1 LoansAssumed1	415000	usd
CY2021	us-gaap	Loans Assumed1 LoansAssumed1	219000	usd
CY2022Q4	us-gaap	Debt Weighted Average Interest Rate DebtWeightedAverageInterestRate	0.067	pure
CY2021Q4	us-gaap	Debt Weighted Average Interest Rate DebtWeightedAverageInterestRate	0.05	pure
CY2021Q4	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	0	usd

Files In Submission

Name	View Source	Status
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0001654954-23-006376-index.html	Edgar Link	pending
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clwt-20221231_pre.xml	Edgar Link	unprocessable
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$CLWT
EURO TECH HOLDINGS CO LTD Stock $clwt

2022 Q4 Form 20-F Financial Statement

#000165495423006376 Filed on May 12, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CLWT EURO TECH HOLDINGS CO LTD Stock $clwt

2022 Q4 Form 20-F Financial Statement

#000165495423006376 Filed on May 12, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CLWT
EURO TECH HOLDINGS CO LTD Stock $clwt