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75010 - Statement - Consolidated Balance Sheets (Unaudited)
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75020 - Statement - Consolidated Balance Sheets (Unaudited) (Parenthetical)
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75030 - Statement - Consolidated Statements of Operations (Unaudited)
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75040 - Statement - Consolidated Statements of Comprehensive Income (Unaudited)
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75050 - Statement - Consolidated Statements of Stockholders' Equity (Unaudited)
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75060 - Statement - Consolidated Statements of Cash Flows (Unaudited)
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995455 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies
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995465 - Disclosure - Investments
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995475 - Disclosure - Inventory and Other Deferred Costs
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995485 - Disclosure - Goodwill and Other Intangible Assets
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995495 - Disclosure - Accrued Expenses and Other Long-term Liabilities
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995505 - Disclosure - Income Taxes
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995515 - Disclosure - Convertible Senior Notes
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995525 - Disclosure - Stock-Based Compensation
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995535 - Disclosure - Net Income per Share
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995545 - Disclosure - Stockholders' Equity
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995555 - Disclosure - Commitments and Contingencies
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995565 - Disclosure - Segment and Geographic Information
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995575 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies (Policies)
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995585 - Disclosure - Investments (Tables)
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995595 - Disclosure - Inventory and Other Deferred Costs (Tables)
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995605 - Disclosure - Goodwill and Other Intangible Assets (Tables)
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995615 - Disclosure - Accrued Expenses and Other Long-term Liabilities (Tables)
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995625 - Disclosure - Income Taxes (Tables)
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995635 - Disclosure - Convertible Senior Notes (Tables)
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995645 - Disclosure - Stock-Based Compensation (Tables)
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995655 - Disclosure - Net Income per Share (Tables)
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995665 - Disclosure - Stockholders' Equity (Tables)
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995675 - Disclosure - Commitments and Contingencies (Tables)
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995685 - Disclosure - Segment and Geographic Information (Tables)
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995695 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies - Additional Information (Details)
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995705 - Disclosure - Investments - Schedule of Components of Investments (Details)
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995715 - Disclosure - Investments - Additional Information (Details)
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995725 - Disclosure - Investments - Schedule of Contractual Maturities of Available-for-sale Debt Securities (Details)
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995735 - Disclosure - Inventory and Other Deferred Costs - Schedule of Inventory and Other Deferred Costs (Details)
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995745 - Disclosure - Inventory and Other Deferred Costs - Additional Information (Details)
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995755 - Disclosure - Goodwill and Other Intangible Assets - Components of Identifiable Intangible Assets (Details)
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995765 - Disclosure - Goodwill and Other Intangible Assets - Additional Information (Details)
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995775 - Disclosure - Goodwill and Other Intangible Assets - Schedule of Amortization Expense Included in General and Administrative Expense (Details)
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995785 - Disclosure - Goodwill and Other Intangible Assets - Schedule of Estimated Amortization Expense for Each of Five Succeeding Fiscal Years (Details)
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995795 - Disclosure - Accrued Expenses and Other Long-term Liabilities - Schedule of Accrued Expenses (Details)
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995805 - Disclosure - Accrued Expenses and Other Long-term Liabilities - Schedule of Other Long-term Liabilities (Details)
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995815 - Disclosure - Income Taxes - Additional Information (Details)
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995825 - Disclosure - Income Taxes - Reconciliation of Beginning and Ending Amount of Unrecognized Tax Benefits (Details)
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995835 - Disclosure - Income Taxes - Schedule of Income Tax Eliminations (Details)
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995845 - Disclosure - Convertible Senior Notes - Schedule of Convertible Senior Notes (Details)
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995855 - Disclosure - Convertible Senior Notes - Additional Information (Details)
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995865 - Disclosure - Stock-Based Compensation - Components of Stock-Based Compensation Expense Included in the Consolidated Statements of Operations (Details)
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995875 - Disclosure - Stock-Based Compensation - Schedule of Stock-based Compensation Included in Consolidated Statements of Operations (Details)
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995885 - Disclosure - Stock-Based Compensation - Additional Information (Details)
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995895 - Disclosure - Net Income Per Share - Schedule of Reconciliation of the Numerators and the Denominators of the Basic and Dilutive Net Income per Common Share Computations (Details)
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995905 - Disclosure - Net Income Per Share - Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share (Details)
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995915 - Disclosure - Stockholders' Equity - Additional Information (Details)
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995925 - Disclosure - Stockholders' Equity - Schedule of Dividend Activity (Details)
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995935 - Disclosure - Commitments and Contingencies - Schedule of Lease Cost (Details)
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995945 - Disclosure - Commitments and Contingencies - Schedule of Minimum Noncancelable Operating Lease Rental Commitments with Initial or Remaining Terms (Details)
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995955 - Disclosure - Commitments and Contingencies - Additional Information (Details)
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995965 - Disclosure - Segment and Geographic Information - Additional Information (Details)
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995975 - Disclosure - Segment and Geographic Information - Schedule of Operating Segment Reconciliation of Net Income, Including Significant Segment Expenses (Details)
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995985 - Disclosure - Segment and Geographic Information - Schedule of Net Sales to Unaffiliated Customers Based on Customer Location by Country (Details)
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Increase (Decrease) in Interest Payable, Net
Accrued interest
Entity Incorporation, State or Country Code
Preferred Stock, Shares Issued
Preferred Stock, Shares Issued
Related to lease.
Madrid, Spain Lease [Member]
Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One
Due in one year or less, Fair Value
us-gaap_LongTermDebtNoncurrent
Convertible senior notes, net of discount and current portion
Fair value adjustments to contingent consideration obligations
Schedule of Long-Term Debt Instruments [Table Text Block]
Schedule of Convertible Senior Notes
Equity [Abstract]
dei_EntityCurrentReportingStatus
Entity Current Reporting Status
US Government Agencies Debt Securities [Member]
United States government agency securities
Level 2 [Member]
Fair Value, Inputs, Level 2 [Member]
Commitments and Contingencies Disclosure [Text Block]
Commitments and Contingencies
Common stock, shares authorized (in shares)
Common stock, shares authorized
us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour
2030
Document Fiscal Period Focus
us-gaap_DebtInstrumentInterestRateStatedPercentage
Debt instrument, interest rate, stated percentage
Accounting Standards Update 2023-09 [Member]
Accounting Standards Update 2023-09 [Member]
dei_EntityShellCompany
Entity Shell Company
us-gaap_OtherAccruedLiabilitiesCurrent
Other
us-gaap_DividendsCommonStockCash
Common stock dividend paid
Cash and cash equivalents
Denominator:
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Related to leases.
Sulzbach, Germany [Member]
Increase (decrease) in inventory and other deferred costs.
lmat_IncreaseDecreaseInInventoryAndOtherDeferredCosts
Inventory and other deferred costs
Common Stock, Shares, Issued (in shares)
Common Stock, Shares, Issued
Asset Class [Domain]
Statement [Table]
Related to trademarks, tradenames, and licenses.
Trademarks, Tradenames and Licenses [Member]
Additions/adjustments for tax positions of current year
Right-of-use assets obtained in exchange for operating lease obligations
Right-of-use assets obtained in exchange for new operating lease obligations
Other deferred costs
Americas [Member]
Americas
Statement [Line Items]
us-gaap_TreasuryStockValueAcquiredCostMethod
Repurchase of common stock for net settlement of equity awards
Entity Filer Category
us-gaap_LiabilitiesAndStockholdersEquity
Total liabilities and stockholders’ equity
Debt Instrument [Line Items]
Payables and Accruals [Abstract]
Foreign currency translation adjustment, net
Expiration
Lease Expiration Month And Year
Lease expiration month and year.
Goodwill
Related to product technology and intellectual property.
Product Technology and Intellectual Property [Member]
Employee Stock Option [Member]
Interest income
Investment income
us-gaap_TreasuryStockCommonValue
Treasury stock, at cost; 1,629,094 and 1,624,297 shares, respectively
Income Tax Jurisdiction [Axis]
Geographical [Domain]
Finished products
Asset-backed securities
Asset-Backed Securities [Member]
Income Tax, Examination [Table]
us-gaap_IncreaseDecreaseInAccountsPayableAndOtherOperatingLiabilities
Accounts payable and other liabilities
Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block]
Schedule of Operating Segment Reconciliation of Net Income, Including Significant Segment Expenses
Schedule of Inventory, Current [Table Text Block]
Schedule of Inventory and Other Deferred Costs
Additional paid-in capital
Related to lease.
Shanghai, China Lease [Member]
us-gaap_FiniteLivedIntangibleAssetUsefulLife
Finite-lived intangible asset, useful life
Share Repurchase Program [Axis]
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
Options granted
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Schedule of Reconciliation of the Numerators and the Denominators of the Basic and Dilutive Net Income per Common Share Computations
Yankee debt securities
Yankee Debt Securities [Member]
Yankee debt securities.
Schedule of Contractual Maturities of Available-for-sale Debt Securities
Investments Classified by Contractual Maturity Date [Table Text Block]
Basic (in dollars per share)
Basic
Represents current accrued purchases.
lmat_AccruedPurchasesCurrent
Accrued inventory purchases
Related to debt.
Convertible Senior Notes [Member]
Schedule of Components of Investments
Schedule of Available-for-Sale Securities Reconciliation [Table Text Block]
Related to lease.
Milan, Italy Lease [Member]
us-gaap_LiabilitiesCurrent
Total current liabilities
Related to lease.
Fox River Grove, IL [Member]
Deferred payment obligations resulting from business combinations and asset acquisitions.
Acquisition-related obligations
The amount of process engineering expense.
lmat_ProcessEngineeringExpense
Process engineering expense
us-gaap_IncreaseDecreaseInAccountsReceivable
Accounts receivable
Adjustments to reconcile net income to net cash provided by operating activities:
us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive
2031
Record date
us-gaap_DividendsPayableDateOfRecordDayMonthAndYear
Dividends payable, date of record
Domestic Tax Jurisdiction [Member]
Share Repurchase Program [Domain]
Additions/adjustments for tax positions of prior years
us-gaap_PaymentsOfDebtIssuanceCosts
Payments of debt issuance costs
Accounting Standards Update [Axis]
Income Tax Examination [Line Items]
Consolidation Items [Domain]
Stockholders’ equity:
Entity Small Business
Retained earnings
Share-Based Payment Arrangement [Text Block]
Stock-Based Compensation
us-gaap_PaymentsToAcquireShortTermInvestments
Purchases of short-term marketable securities
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Lease Contractual Term [Axis]
Weighted average dilutive, adjustments
Weighted Average Number of Shares Outstanding, Diluted, Adjustment, Total
Lessee, Lease, Description [Line Items]
Amendment Flag
Loss Contingencies [Line Items]
Entity Address, Postal Zip Code
us-gaap_NetCashProvidedByUsedInOperatingActivities
Net cash provided by operating activities
Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description
Goodwill, Period Increase (Decrease)
Goodwill, Period Increase (Decrease), Total
Increase (decrease) in goodwill
Common Stock [Member]
us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree
2029
Represents the Q3 2025 Dividends.
O 2025 Q3 Dividends [Member]
Debt Securities, Available-for-Sale [Line Items]
Entity Address, Address Line One
Change in Accounting Principle, Accounting Standards Update, Immaterial Effect [true false]
Dividends Payable [Table]
Fair Value Hierarchy and NAV [Axis]
Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger
Convertion notes on option of percentage of price per shares exceeds
Earnings per share of common stock:
Earnings Per Share [Abstract]
Earnings Per Share [Abstract]
Supplemental Cash Flow Information [Abstract]
Supplemental cash flow information
Goodwill and Intangible Assets Disclosure [Text Block]
Goodwill and Other Intangible Assets
Related to lease.
Zurich, Switzerland [Member]
Convertible, immediately after number of threshold consecutive trading days
Debt Instrument, Convertible, Immediately after Number of Threshold Consecutive Trading Days
Debt Instrument, convertible, immediately after number of threshold consecutive trading days.
Right-of-use leased assets
dei_DocumentType
Document Type
Cash paid for income taxes
us-gaap_GrossProfit
Gross profit
Gross profit
Interest on Convertible Debt, Net of Tax
Interest expense on convertible senior notes, net of tax
Entity Central Index Key
Accounts Receivable, Allowance for Credit Loss, Current
Related to lease.
Hereford, England [Member]
Information pertaining to the stock repurchase program.
Stock Repurchase Program [Member]
Investments, Debt and Equity Securities [Abstract]
us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
Net increase (decrease) in cash and cash equivalents
Subsequent Event Type [Domain]
Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]
Schedule of Net Sales to Unaffiliated Customers Based on Customer Location by Country
Antidilutive securites (in shares)
Antidilutive securites
Common stock, par value (in dollars per share)
Common stock, par value
Accounting Standards Update [Domain]
Other comprehensive income (loss)
Other comprehensive income (loss)
Total other comprehensive (loss) income
Debt Securities, Available-for-Sale, Amortized Cost
Amortized Cost Basis
Debt Securities, Available-for-Sale
Debt Securities, Available-for-Sale, Total
Fair Value
Total Fair Value
us-gaap_OtherSundryLiabilitiesNoncurrent
Other
Issuance of common stock for stock options exercised (in shares)
Debt Disclosure [Abstract]
GERMANY
Germany
us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities
Reductions for settlements with taxing authorities
Accrued expenses
Total
Cost of Sales [Member]
Current Fiscal Year End Date
Schedule of Long-Term Debt Instruments [Table]
Other Noncurrent Liabilities [Table Text Block]
Schedule of Other Long-term Liabilities
Document Quarterly Report
Customer Relationships [Member]
Short-term Marketable Securities, Amortized Cost Basis
Short-term marketable securities, amortized cost basis.
Total short-term marketable securities, Amortized Cost Basis
Entity Address, State or Province
Represents U.S. Bank Trust Company, National Association.
U S Bank Trust Company, National Association [Member]
The entire disclosure for inventory and other deferred costs.
Inventory and Other Deferred Costs Disclosure [Text Block]
Inventory and Other Deferred Costs
Debt Instrument, Convertible, Threshold Consecutive Trading Days
Convertible notes, conversion price of shares exceeds for number of consecutive trading days
Preferred stock, shares outstanding (in shares)
Preferred stock, shares outstanding
us-gaap_ComprehensiveIncomeNetOfTax
Comprehensive income
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax
Gross Unrealized Gain
Geographical [Axis]
Line of Credit Facility, Lender [Domain]
Raw materials
Related to lease.
North Brunswick, New Jersey [Member]
Earnings per Share Basic and Dilutive [Abstract]
Earnings per share basic and dilutive.
Net income per share:
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]
Schedule of Stock-based Compensation Included in Consolidated Statements of Operations
Issuance of common stock for stock options exercised
Short-Term Marketable Securities, Accumulated Gross Unrealized Loss, Before Tax
Short-term marketable securities, accumulated gross unrealized loss, before tax.
Total short-term marketable securities, Gross Unrealized Loss
Accounting Standards Update 2025-05 [Member]
Accounting Standards Update 2025-05.
Accounting Standards Update 2025-05 [Member]
Performance Shares [Member]
Performance-based Restricted Stock Units [Member]
Deferred tax assets
Proceeds from Sale and Maturity of Marketable Securities
Proceeds from sales of short-term marketable securities
us-gaap_LongTermDebtFairValue
Long-term debt, fair value
Subsequent Event [Member]
Total short-term marketable securities
Short Term Marketable Securities
Total short-term marketable securities.
Total short-term marketable securities, Fair Value
Other assets
Short-term marketable securities
Debt Instrument, Redeemable Maximum Percentage of Conversion Price
Debt instrument, redeemable maximum percentage of conversion price.
Debt instrument, redeemable maximum percentage of conversion price
Antidilutive Securities [Axis]
Debt instrument, redeemable number of consecutive trading days
Debt instrument, redeemable number of consecutive trading days.
EMEA [Member]
Europe, Middle East and Africa
us-gaap_InterestExpenseDebt
Interest expense, debt
us-gaap_DebtInstrumentUnamortizedDiscount
Debt discount, net of accretion
Share-Based Payment Arrangement, Cost by Plan [Table Text Block]
Components of Stock-Based Compensation Expense Included in the Consolidated Statements of Operations
AOCI Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Treasury Stock, Common, Shares (in shares)
Balance (in shares)
Balance (in shares)
Treasury Stock, Common, Shares
Cash and Cash Equivalents [Domain]
Related to lease.
Tokyo, Japan Lease [Member]
Accounting Standards Update 2024-04 [Member]
Accounting Standards Update 2024-04 [Member]
Preferred stock, $0.01 par value; authorized 3,000,000 shares; none outstanding
Preferred stock, $0.01 par value; 3,000,000 shares authorized; none issued and outstanding
Minimum [Member]
Financial Instrument [Axis]
Current assets:
Amortization expense
Fair Value, Inputs, Level 3 [Member]
Level 3 [Member]
Segment Reporting [Abstract]
Current liabilities:
us-gaap_SharesOutstanding
Balance (in shares)
Balance (in shares)
Accounts receivable, net of allowances of $1,496 at June 30, 2025 and $1,369 at December 31, 2024
Accounts receivable, net of allowances of $1,361 at March 31, 2026 and $1,400 at December 31, 2025
Work-in-process
us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation
Shares of common stock issued
Provision for credit losses
General and Administrative Expense [Member]
us-gaap_OperatingLeaseLiability
Minimum noncancelable lease liability
Minimum noncancelable lease liability
Dividends Payable [Line Items]
Forecast [Member]
Lessee, Lease, Description [Table]
Basis of Presentation and Summary of Significant Accounting Policies [Line Items]
Basis of Presentation and Summary of Significant Accounting Policies [Line Items]
Effect of exchange rate changes on cash and cash equivalents
Lease Contractual Term [Domain]
Loss Contingencies [Table]
Basic (in shares)
Weighted average basic common shares outstanding
Acquisition-related liabilities
Business Combination, Recognized Liability Assumed, Liability, Noncurrent
Business Combination, Recognized Liability Assumed, Liability, Noncurrent, Total
Scenario [Axis]
Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table]
us-gaap_MarketingExpense
Marketing expense
The amount of regulatory and clinical expense.
lmat_RegulatoryAndClinicalExpense
Regulatory and clinical expense
Pertain to dividends.
O 2025 Q2 Dividends [Member]
Stock-based compensation expense
us-gaap_StockholdersEquity
Balance
Balance
Total stockholders’ equity
Preferred stock, par value (in dollars per share)
Preferred stock, par value
Inventory and other deferred costs.
Inventory and other deferred costs
Total inventory and other deferred costs
Amount, before deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as noncurrent. Excludes lease obligation.
lmat_LongtermDebtGrossNoncurrent
Convertible senior notes, net of current portion
Statement of Stockholders' Equity [Abstract]
us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear
2026
Related to lease.
Seoul, Korea Lease [Member]
Treasury Stock, Common [Member]
Treasury Stock [Member]
Selling and Marketing Expense [Member]
UNITED STATES
United States
Schedule of Accrued Liabilities [Table Text Block]
Schedule of Accrued Expenses
Debt Instrument, Name [Domain]
Non-cash operating activities
Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]
Reconciliation of Beginning and Ending Amount of Unrecognized Tax Benefits
Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration]
Interest expense
Interest expense
Entity [Domain]
Lease Commencement Date
Lease commencement date.
Lease commencement date
Cost of sales
Cost of sales
Cost of Product and Service Sold, Total
Debt Securities [Member]
Debt investments [Member]
Certificate of deposits
Certificates of Deposit [Member]
Foreign Tax Jurisdiction [Member]
Accounting Standards Update [Extensible Enumeration]
Area of Real Estate Property (Square Foot)
Square foot building
Entity Address, City or Town
Security Exchange Name
Principal amount of convertible senior notes
us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
Income before income taxes
George W. LeMaitre [Member]
George W. LeMaitre.
Antidilutive Securities, Name [Domain]
Inventory And Other Deferred Costs Disclosure [Abstract]
Inventory and other deferred costs disclosure.
Represents performance-based restricted units.
Performance-based Restricted Units [Member]
Statistical Measurement [Domain]
us-gaap_AssetsCurrent
Total current assets
Total stock-based compensation
Represents current accrued expenses.
lmat_AccruedExpensesCurrent
Accrued expenses
dei_DocumentPeriodEndDate
Document Period End Date
Fair Value Hierarchy and NAV [Domain]
Statement of Financial Position [Abstract]
Restricted Stock Units (RSUs) [Member]
Restricted Stock Units [Member]
Antidilutive Security, Excluded EPS Calculation [Table]
Other comprehensive income (loss):
Related to dividends.
O 2025 Q1 Dividends [Member]
Other Liabilities, Noncurrent [Abstract]
us-gaap_Liabilities
Total liabilities
Financial Instruments [Domain]
us-gaap_OtherInventoryMaterialsSuppliesAndMerchandiseUnderConsignment
Inventory on consignment at customer sites
us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo
2028
S 2026 Q2 Dividends [Member]
S 2026 Q2 dividends.
Dividends, payment
Dividend Payment
Gross carrying value
Diluted (in shares)
Total weighted average shares of common shares outstanding - diluted
dei_EntityFileNumber
Entity File Number
us-gaap_PaymentsOfDividendsCommonStock
Common stock cash dividend paid
Cover [Abstract]
Information pertaining to other countries.
Other Countries [Member]
Other countries
Prepaid expenses and other current assets
Income and other taxes
Maximum percentage of price per shares
Debt Instrument Convertible, Maximum Percentage of Price per Shares
Debt instrument convertible, maximum percentage of price per shares.
Debt instrument, convertible additional interest rate
Debt instrument, convertible additional interest rate.
Debt instrument, convertible additional interest rate
Related to lease.
Ballarat, Australia Lease [Member]
Scenario [Domain]
us-gaap_ForeignCurrencyTransactionGainLossUnrealized
Foreign currency transaction effect on income
us-gaap_NumberOfOperatingSegments
Number of Operating Segments
Segment Reporting Disclosure [Text Block]
Segment and Geographic Information
General and administrative
General and Administrative Expense, Total
Related to lease.
Maisons-Alfort, France [Member]
Net sales
Net Sales
Net sales
us-gaap_DebtInstrumentConvertibleConversionPrice1
Debt instrument, convertible, conversion price
O 2025 Q4 Dividends [Member]
Represents the Q4 2025 Dividends.
New Accounting Pronouncements, Policy [Policy Text Block]
Recently Adopted and Issued Accounting Pronouncements
Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block]
Schedule of Minimum Noncancelable Operating Lease Rental Commitments with Initial or Remaining Terms
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Basis of Presentation and Summary of Significant Accounting Policies
Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block]
Common Stock, Shares, Outstanding
Common Stock, Shares, Outstanding, Ending Balance
Common Stock, Shares, Outstanding, Beginning Balance
Common Stock, Shares, Outstanding
Lease liabilities - short-term
Depreciation and amortization
Dividends [Domain]
Document Transition Report
us-gaap_OperatingExpenses
Total operating expenses
Accrued Liabilities, Current [Abstract]
Research and development
Research and development expense
Research and Development Expense, Total
us-gaap_PaymentsForRepurchaseOfCommonStock
Payment of withholding taxes in connection with net settlement of equity awards
Debt Instrument, Percentage of Premium on Closing Price of Common Stock
Debt instrument, percentage of premium on closing price of common stock.
Percentage of premium on closing price of common stock
Statement of Cash Flows [Abstract]
Weighted Average Number of Shares Outstanding, Diluted, Adjustment [Abstract]
Effect of dilutive securities:
Basis of Presentation and Summary of Significant Accounting Policies [Table]
Basis of presentation and summary of significant accounting policies.
us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired
Payments related to acquisitions, net of cash acquired
Equity [Text Block]
Stockholders' Equity
Finite-Lived Intangible Assets [Line Items]
Earnings Per Share [Text Block]
Net Income per Share
Accrued Inventory Purchases
Accrued inventory purchases.
Net income
Net income
Related to lease.
Burlington Massachusetts [Member]
Provision for inventory write-downs
The amount of administrative expense.
lmat_AdministrativeExpense
Administrative expense
Operating lease cost
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Dublin, Ireland [Member]
Dublin Ireland Member.
Other intangibles, net
Other intangibles, net
Other intangibles, net
O 2026 Q2 Dividends [Member]
O 2026 Q2 dividends.
us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
Prepaid expenses and other assets
Document Fiscal Year Focus
Asia Pacific [Member]
Asia Pacific
O 2026 Q1 Dividends [Member]
O 2026 Q1 dividends.
Investing activities
Accounts payable
us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations
Reductions for lapses of the applicable statutes of limitations
Research and Development Expense [Member]
Investments
Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]
us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths
2027
Finite-Lived Intangible Assets Amortization Expense [Table Text Block]
Schedule of Amortization Expense Included in General and Administrative Expense
Proceeds from stock option exercises
Commitments and Contingencies Disclosure [Abstract]
CANADA
Canada
Docklands Australia [Member]
Docklands Australia.
Docklands, Australia [Member]
us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths
2027
Billerica Massachusetts [Member]
Billerica Massachusetts.
Billerica, Massachusetts [Member]
us-gaap_PaymentForContingentConsiderationLiabilityFinancingActivities
Deferred payments for acquisitions
Debt Instrument [Axis]
us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive
Thereafter
Share-Based Payment Arrangement [Abstract]
us-gaap_NetCashProvidedByUsedInInvestingActivities
Net cash used in investing activities
Title of 12(b) Security
Schedule of Segment Reporting Information, by Segment [Table]
Due after one year through five years, Amortized Cost Basis
Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year One Through Five
Income Tax Disclosure [Text Block]
Income Taxes
Available-for-sale securities, credit losses
Debt Securities, Available-for-Sale, Allowance for Credit Loss
Debt Securities, Available-for-Sale, Allowance for Credit Loss, Ending Balance
Debt Securities, Available-for-Sale, Allowance for Credit Loss, Beginning Balance
Debt Securities, Available-for-Sale, Allowance for Credit Loss, Total
us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear
Remainder of 2026
Other long-term liabilities
Total
Money market investments
Money Market Investments
Money market investments.
Legal Entity [Axis]
Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five
Due after one year through five years, Fair Value
us-gaap_SellingExpense
Selling expense
Changes in operating assets and liabilities:
Income Tax Disclosure [Abstract]
us-gaap_UnrecognizedTaxBenefits
Unrecognized tax benefits
Unrecognized tax benefits as of March 31, 2026
Unrecognized tax benefits as of December 31, 2025
Additional Paid-in Capital [Member]
UNITED KINGDOM
United Kingdom
srt_StockRepurchaseProgramAuthorizedAmount1
Share repurchase program, authorized, amount
Statement of Income Location, Balance [Axis]
Senior Notes [Member]
Convertible Senior Notes [Member]
Change in Accounting Principle, Accounting Standards Update, Adoption Date
Trading Symbol
Intangible Asset, Finite-Lived [Table]
us-gaap_OpenTaxYear
Open Tax Year
Equity Securities, FV-NI, Current
Equity investments
us-gaap_ProceedsFromNotesPayable
Proceeds from notes payable
Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year One
Due in one year or less, Amortized Cost Basis
Subsequent Event Type [Axis]
Schedule of Finite-Lived Intangible Assets [Table Text Block]
Components of Identifiable Intangible Assets
Compensation and related taxes
Debt Instrument, Convertible, Principal Amount of Convertible Notes
Debt instrument, convertible, principal amount of convertible notes.
Principal amount of convertible note
Financing activities
Lessee, Finance Lease, Term of Contract
Lease term
Finite-Lived Intangible Assets, Amortization Expense, Maturity Schedule [Abstract]
us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount
Adjustment to net present value as of March 31, 2026
Sales and marketing
Selling and Marketing Expense, Total
Equity Components [Axis]
Debt instrument, redeemable number of trading days immediately before maturity date
Debt instrument, redeemable number of trading days immediately before maturity date
Equity Component [Domain]
Asset Class [Axis]
Goodwill and Intangible Assets Disclosure [Abstract]
Vested restricted stock units (in shares)
Debt Instrument, Convertible, Threshold Consecutive Business Days
Debt instrument, convertible, threshold consecutive business days.
Convertible notes, number of consecutive business days
Statement of Comprehensive Income [Abstract]
Maximum [Member]
Dividends, payment date
Payment Date
Dividends payable, date to be paid
us-gaap_DebtInstrumentConvertibleConversionRatio1
Debt instrument, convertible, conversion ratio
Statistical Measurement [Axis]
Accumulated amortization
Common stock, $0.01 par value; authorized 37,000,000 shares; issued 24,246,823 shares at June 30, 2025, and 24,153,165 shares at December 31, 2024
Common stock, $0.01 par value; 37,000,000 shares authorized, 24,476,827 and 24,396,904 shares issued, 22,847,733 and 22,772,607 shares outstanding, respectively
Net income - diluted
Net Income (Loss) Available to Common Stockholders, Diluted
Related to lease.
Singapore Lease [Member]
Dividends [Axis]
Unrealized gain (loss) on short-term marketable securities
Unrealized (loss) gain on marketable securities
us-gaap_AmortizationOfFinancingCosts
Amortization of issuance costs on convertible senior notes
Amortization of debt issuance costs
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]
Schedule of Estimated Amortization Expense for Each of Five Succeeding Fiscal Years
Other income (expense):
Preferred stock, shares authorized (in shares)
Preferred stock, shares authorized
us-gaap_InterestPayableCurrent
Accrued interest
Finite-Lived Intangible Assets by Major Class [Axis]
Lender Name [Axis]
Schedule of Dividends Payable [Table Text Block]
Schedule of Dividend Activity
dei_EntityRegistrantName
Entity Registrant Name
Debt Disclosure [Text Block]
Convertible Senior Notes
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax
Gross Unrealized Loss
Income taxes
us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
2028
Repurchase of common stock for net settlement of equity awards (in shares)
Other income (loss), net
Other (loss) income, net
us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree
2029
Provision for income taxes
us-gaap_PaymentsToAcquireProductiveAssets
Purchases of property and equipment
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
dei_EntityCommonStockSharesOutstanding
Entity Common Stock, Shares Outstanding (in shares)
S 2025 Q4 Dividends [Member]
S 2025 Q4 Dividends [Member]
Accumulated other comprehensive loss
Consolidation Items [Axis]
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
Restricted stock units granted
us-gaap_Assets
Total assets
Income Statement [Abstract]
Non-cash investment income
Non-cash investment income.
Non-cash investment income
Weighted Average [Member]
Diluted (in dollars per share)
Diluted
Operating Segments [Member]
Operating Segments [Member]
us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive
2031
Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Noncurrent [Text Block]
Accrued Expenses and Other Long-term Liabilities
dei_CityAreaCode
City Area Code
The amount of finance expense.
lmat_FinanceExpense
Finance expense
us-gaap_DebtInstrumentFaceAmount
Debt instrument, face amount
Short-term Marketable Securities, Accumulated Gross Unrealized Gain, Before Tax
Short-term marketable securities, accumulated gross unrealized gain, before tax.
Total short-term marketable securities, Gross Unrealized Gain
Other Intangible Assets [Member]
Convertible senior notes, net
Weighted average remaining lease term - operating leases (in years) (Year)
Segment Reporting Information [Line Items]
Lease Expiration Date
Lease expiration date
us-gaap_LeaseCost
Total lease cost
Property and equipment, net
Vested restricted stock units
us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
Cash and cash equivalents at end of period
Cash and cash equivalents at beginning of period
us-gaap_OperatingIncomeLoss
Income from operations
Summary of Income Tax Examinations [Table Text Block]
Schedule of Income Tax Eliminations
Related to lease.
Vaughn, Canada Lease [Member]
Retained Earnings [Member]
Amount, before deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as current. Excludes lease obligation.
Less: Current portion of convertible senior notes
Cash and Cash Equivalents [Axis]
Stock-based compensation
Weighted average discount rate - operating leases
Lease liabilities - long-term
Fair Value, Inputs, Level 1 [Member]
Level 1 [Member]
us-gaap_NetCashProvidedByUsedInFinancingActivities
Net cash used in financing activities
Lease, Cost [Table Text Block]
Schedule of Lease Cost
Change in Accounting Principle, Accounting Standards Update, Adopted [true false]
Deferred tax liabilities
The amount of management information systems expense.
lmat_ManagementInformationSystemsExpense
Management information systems expense
The amount of cash paid for the operating lease liabilities.
Cash paid for amounts included in the measurement of operating lease laibilities
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share
Corporate Debt Securities [Member]
Corporate debt securities
Income Tax Jurisdiction [Domain]
Debt Securities, Available-for-Sale [Table]
dei_EntityInteractiveDataCurrent
Entity Interactive Data Current
Statement of Income Location, Balance [Domain]
Operating activities
Debt Instrument, Periodic Payment, Interest
Interest payment
Cash dividends declared per common share (in dollars per share)
Per Share Amount
Common stock, dividends, per share, declared
Dilutive Securities, Effect on Basic Earnings Per Share [Abstract]
Effect of dilutive shares on net income
Entity Tax Identification Number
The amount of other income (expense), net.
lmat_OtherIncomeExpenseNet
Other (income) expense, net*
Other (income) expense, net
dei_LocalPhoneNumber
Local Phone Number
Related to lease.
Bangkok, Thailand Lease [Member]
Debt Instrument, Redeemable Number of Trading Days
Debt instrument, redeemable number of trading days.
Debt instrument, redeemable number of trading days
Short-term lease cost
Weighted-average shares outstanding:
Accounting Policies [Abstract]
Debt Instrument, Convertible, Threshold Trading Days
Convertible notes, conversion price of shares exceeds for number of traing days
Earnings Per Share, Basic, by Common Class, Including Two-Class Method [Table]
us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour
2030
Commercial paper
Commercial Paper [Member]
Professional fees
Numerator:
Net Income (Loss) Available to Common Stockholders, Diluted [Abstract]
Entity Emerging Growth Company
Burlington Massachusetts One Member
Burlington Massachusetts One.
Burlington Massachusetts One [Member]