Product and Service [Axis]
Product Sales Net [Member]
Other Revenues [Member]
Equity Components [Axis]
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Parent [Member]
Noncontrolling Interest [Member]
Fair Value Hierarchy and NAV [Axis]
Fair Value, Inputs, Level 1 [Member]
Debt Instrument [Axis]
Senior Notes Due 2030 [Member]
Antidilutive Securities [Axis]
Stock Options, Unvested RSUs And Unvested PSUs [Member]
Award Type [Axis]
Restricted Stock Units (RSUs) [Member]
SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis]
Chargebacks [Member]
Rebates [Member]
Allowances For Sales Returns [Member]
Administrative Fees and Other Rebates [Member]
Co Pay Assistance [Member]
Reserves For Cash Discount [Member]
Intangible Asset, Finite-Lived, Class [Axis]
Patents [Member]
Licenses [Member]
Acquired Product Rights [Member]
Customer Relationships [Member]
Trade Names [Member]
State Pharmacy Licenses [Member]
Trademarks [Member]
Acquired New Drug Applications [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Axis]
Santen Agreements [Member]
Samsung Agreement [Member]
Long-Term Debt, Type [Axis]
Other Offering Expense [Member]
Loss Contingency Nature [Axis]
Punitive Damages [Member]
Actual Damages [Member]
Litigation Case [Axis]
OSRX Liability [Member]
Asset Purchase, License and Related Agreements [Member]
Scenario [Axis]
Forecast [Member]
Customer [Axis]
Two Customer [Member]
Concentration Risk Benchmark [Axis]
Revenue Benchmark [Member]
Concentration Risk Type [Axis]
Customer Concentration Risk [Member]
One Customer [Member]
No Customer [Member]
Three Customers [Member]
Accounts Receivable [Member]
Two Suppliers [Member]
Purchases [Member]
Supplier Concentration Risk [Member]
Segments [Axis]
Branded [Member]
Consolidation Items [Axis]
Operating Segments [Member]
Compounding [Member]
Other Commitments [Axis]
Selling General and Administrative Expense [Member]
Research and Development Expenses [Member]
IHEEZO [Member]
VEVYE [Member]
Other Products [Member]
Cover [Abstract]
Document Type
Amendment Flag
Amendment Description
Document Registration Statement
Document Annual Report
Document Quarterly Report
Document Transition Report
Document Shell Company Report
Document Shell Company Event Date
Document Period Start Date
Document Period End Date
Document Fiscal Period Focus
Document Fiscal Year Focus
Current Fiscal Year End Date
Entity File Number
Entity Registrant Name
Entity Central Index Key
Entity Primary SIC Number
Entity Tax Identification Number
Entity Incorporation, State or Country Code
Entity Address, Address Line One
Entity Address, Address Line Two
Entity Address, Address Line Three
Entity Address, City or Town
Entity Address, State or Province
Entity Address, Country
Entity Address, Postal Zip Code
Country Region
City Area Code
Local Phone Number
Extension
Written Communications
Soliciting Material
Pre-commencement Tender Offer
Pre-commencement Issuer Tender Offer
Title of 12(b) Security
No Trading Symbol Flag
Trading Symbol
Security Exchange Name
Title of 12(g) Security
Security Reporting Obligation
Annual Information Form
Audited Annual Financial Statements
Entity Well-known Seasoned Issuer
Entity Voluntary Filers
Entity Current Reporting Status
Entity Interactive Data Current
Entity Filer Category
Entity Small Business
Entity Emerging Growth Company
Elected Not To Use the Extended Transition Period
Document Accounting Standard
Other Reporting Standard Item Number
Entity Shell Company
Entity Public Float
Entity Bankruptcy Proceedings, Reporting Current
Entity Common Stock, Shares Outstanding
Documents Incorporated by Reference [Text Block]
Entity Listing, Par Value Per Share
Statement of Financial Position [Abstract]
ASSETS
Current assets
Cash and cash equivalents
Accounts receivable, net
Inventories
Prepaid expenses and other current assets
Total current assets
Property, plant and equipment, net
Capitalized software costs, net
Operating lease right-of-use assets, net
Intangible assets, net
Goodwill
TOTAL ASSETS
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current liabilities
Accounts payable and accrued expenses
Accrued rebates and copay assistance
Accrued payroll and related liabilities
Deferred revenue and customer deposits
Current portion of operating lease obligations
Total current liabilities
Operating lease obligations, net of current portion
Notes payable, net of unamortized debt discount
TOTAL LIABILITIES
Commitments and contingencies
STOCKHOLDERS’ EQUITY
Common stock, $0.001 par value, 50,000,000 shares authorized, 37,269,400 and 37,229,159 shares issued and outstanding at March 31, 2026 and December 31, 2025, respectively
Additional paid-in capital
Accumulated deficit
TOTAL HARROW, INC. STOCKHOLDERS’ EQUITY
Noncontrolling interests
TOTAL STOCKHOLDERS’ EQUITY
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY
Common stock, par value
Common stock, shares authorized
Common stock, shares issued
Common stock, shares outstanding
Statement [Table]
Statement [Line Items]
Revenues:
Total revenues
Cost of sales
Gross profit
Operating expenses:
Selling, general and administrative
Research and development
Total operating expenses
Loss from operations
Interest expense, net
Loss before income taxes
Income tax expense
Net loss
Basic net loss per share of common stock
Diluted net loss per share of common stock
Weighted average number of shares of common stock outstanding, basic
Weighted average number of shares of common stock outstanding, diluted
Balance
Balance, shares
Exercise of employee stock-based options
Exercise of employee stock-based options, shares
Vesting of RSUs
Vesting of RSUs, shares
Stock-based compensation expense
Net loss
Balance
Balance, shares
Statement of Cash Flows [Abstract]
CASH FLOWS FROM OPERATING ACTIVITIES
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Depreciation and amortization of property, plant and equipment and software development costs
Amortization of intangible assets
Noncash lease expense
(Recovery of) Provision for credit losses
Amortization of debt issuance costs and debt discount
Stock-based compensation
Changes in assets and liabilities:
Accounts receivable
Inventories
Prepaid expenses and other current assets
Accounts payable, accrued expenses, accrued rebates and copay assistance
Accrued payroll and related liabilities
Deferred revenue and customer deposits
NET CASH (USED IN) PROVIDED BY OPERATING ACTIVITIES
CASH FLOWS FROM INVESTING ACTIVITIES
Investment in patent and trademark assets
Purchase of product rights
Purchases of property, plant and equipment
NET CASH USED IN INVESTING ACTIVITIES
CASH FLOWS FROM FINANCING ACTIVITIES
Net proceeds from 8.625% notes payable, net of commissions
Payment of debt issuance costs
Proceeds from exercise of stock options
NET CASH PROVIDED BY FINANCING ACTIVITIES
NET CHANGE IN CASH AND CASH EQUIVALENTS
CASH AND CASH EQUIVALENTS, beginning of period
CASH, CASH EQUIVALENTS, end of period
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Cash paid for income taxes
Cash paid for interest
SUPPLEMENTAL DISCLOSURES OF NON-CASH INVESTING AND FINANCING ACTIVITIES:
Unpaid debt issuance costs
Pay vs Performance Disclosure [Table]
Executive Category [Axis]
Individual [Axis]
Adjustment to Compensation [Axis]
Measure [Axis]
Pay vs Performance Disclosure, Table
Company Selected Measure Name
Named Executive Officers, Footnote
Peer Group Issuers, Footnote
Changed Peer Group, Footnote
PEO Total Compensation Amount
PEO Actually Paid Compensation Amount
Adjustment To PEO Compensation, Footnote
Non-PEO NEO Average Total Compensation Amount
Non-PEO NEO Average Compensation Actually Paid Amount
Adjustment to Non-PEO NEO Compensation Footnote
Equity Valuation Assumption Difference, Footnote
Compensation Actually Paid vs. Total Shareholder Return
Compensation Actually Paid vs. Net Income
Compensation Actually Paid vs. Company Selected Measure
Total Shareholder Return Vs Peer Group
Compensation Actually Paid vs. Other Measure
Tabular List, Table
Total Shareholder Return Amount
Peer Group Total Shareholder Return Amount
Net Income (Loss)
Company Selected Measure Amount
Other Performance Measure, Amount
Adjustment to Compensation, Amount
PEO Name
Name
Non-GAAP Measure Description
Additional 402(v) Disclosure
Pension Benefits Adjustments, Footnote
Equity Awards Adjustments, Footnote
Erroneously Awarded Compensation Recovery [Table]
Restatement Determination Date [Axis]
Restatement Determination Date
Aggregate Erroneous Compensation Amount
Erroneous Compensation Analysis
Stock Price or TSR Estimation Method
Outstanding Aggregate Erroneous Compensation Amount
Aggregate Erroneous Compensation Not Yet Determined
Name
Forgone Recovery due to Expense of Enforcement, Amount
Forgone Recovery due to Violation of Home Country Law, Amount
Forgone Recovery due to Disqualification of Tax Benefits, Amount
Forgone Recovery, Explanation of Impracticability
Name
Compensation Amount
Restatement does not require Recovery
Awards Close in Time to MNPI Disclosures [Table]
Award Timing MNPI Disclosure
Award Timing Method
Award Timing Predetermined
Award Timing MNPI Considered
Award Timing, How MNPI Considered
MNPI Disclosure Timed for Compensation Value
Awards Close in Time to MNPI Disclosures, Table
Name
Underlying Securities
Exercise Price
Fair Value as of Grant Date
Underlying Security Market Price Change
Insider Trading Arrangements [Line Items]
Material Terms of Trading Arrangement
Name
Title
Rule 10b5-1 Arrangement Adopted
Non-Rule 10b5-1 Arrangement Adopted
Adoption Date
Rule 10b5-1 Arrangement Terminated
Non-Rule 10b5-1 Arrangement Terminated
Termination Date
Expiration Date
Arrangement Duration
Aggregate Available
Insider Trading Policies and Procedures [Line Items]
Insider Trading Policies and Procedures Adopted
Insider Trading Policies and Procedures Not Adopted
Accounting Policies [Abstract]
DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Revenue from Contract with Customer [Abstract]
REVENUES
Inventory Disclosure [Abstract]
INVENTORIES
Prepaid Expenses And Other Current Assets
PREPAID EXPENSES AND OTHER CURRENT ASSETS
Intangible Asset, Goodwill and Other [Abstract]
INTANGIBLE ASSETS AND GOODWILL
Payables and Accruals [Abstract]
ACCOUNTS PAYABLE AND ACCRUED EXPENSES
Debt Disclosure [Abstract]
DEBT
Commitments and Contingencies Disclosure [Abstract]
COMMITMENTS AND CONTINGENCIES
Segment Reporting [Abstract]
SEGMENTS AND CONCENTRATIONS
Use of Estimates
Risks, Uncertainties and Liquidity
Credit Losses
Fair Value Measurements
Basic and Diluted Net Loss per Common Share
Accounting Guidance Issued but Not Adopted at March 31, 2026
SCHEDULE OF ACCOUNTS RECEIVABLE ALLOWANCE OF CREDIT LOSS
SCHEDULE OF ESTIMATED FAIR VALUE
SCHEDULE OF ACCRUALS AND ALLOWANCES
SCHEDULE OF INVENTORIES
SCHEDULE OF PREPAID EXPENSES AND OTHER CURRENT ASSETS
SCHEDULE OF INTANGIBLE ASSETS
SCHEDULE OF AMORTIZATION EXPENSES FOR INTANGIBLE ASSETS
SCHEDULE OF ESTIMATED FUTURE AMORTIZATION EXPENSE
SCHEDULE OF ACCOUNTS PAYABLE AND ACCRUED EXPENSES
SCHEDULE OF LONG TERM DEBT
SCHEDULE OF FUTURE MINIMUM PAYMENT UNDER NOTES PAYABLES
SCHEDULE OF SEGMENT NET REVENUES
SCHEDULE OF REVENUES BY SEGMENT
Beginning balance
Change in expected credit losses
Write-offs, net of recoveries
Ending balance
Defined Benefit Plan [Table]
Defined Benefit Plan Disclosure [Line Items]
Carrying value
Fair value
Consolidation basis description
Antidilutive Security, Excluded EPS Calculation [Table]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock options, unvested RSUs, and unvested PSUs
Vested but unissued RSUs
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Table]
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at December 31, 2025
Accruals/Adjustments
Credits Taken Against Reserve
Balance at March 31, 2026
Raw materials
Work in progress
Finished goods
Total inventories
Schedule Of Prepaid Expenses And Other Current Assets
Prepaid insurance
Prepaid computer software licenses and related expenses
Prefunded co-pay assistance
Other prepaid expenses
Annual Prepaid Prescription Drug User (“PDUFA”) fees
Deposits and other current assets
Total prepaid expenses and other current assets
Intangible Asset, Finite-Lived [Table]
Intangible Asset, Finite-Lived [Line Items]
Intangible assets, Useful life
Cost
Accumulated amortization
Net Carrying value
Useful life, description
Cost
Amortization expense of intangible assets
Remainder of 2026
2027
2028
2029
2030
Thereafter
Intangible assets
Collaborative Arrangement and Arrangement Other than Collaborative [Table]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Milestone payment
Payments to acquire intangible assets
Carrying value of goodwill
Accounts payable
Income taxes payable
Accrued interest
Other accrued expenses
Total accounts payable and accrued expenses
Short-Term Debt [Table]
Short-Term Debt [Line Items]
8.625% Senior Notes due September 2030
Less: Unamortized debt issuance costs
Notes payable net
Schedule of Long-Term Debt Instruments [Table]
Debt Instrument [Line Items]
Debt instrument interest rate, during period
Maturity period
Remainder of 2026
2027
2028
2029
2030
Total minimum principal payments
Less: unamortized issue costs and premium
Notes payable, net
Debt instrument face value
Debt instrument stated interest rate percentage
Debt effective percentage
Net proceeds from issuance of notes
Underwriting discounts to insurance
Redemption price percentage
Interest expense other than long term debt
Amortization of financing costs and discount
Loss Contingencies [Table]
Loss Contingencies [Line Items]
Actual damages
Unrecognized gain contingency
Royalty expense
Upfront and milestone payments
Payment of minimum annual order amounts
Segment Reporting [Table]
Segment Reporting [Line Items]
Cost of sales
Gross profit
Operating expenses
Loss from operations
Revenue
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Customer, Extent of Reliance [Table]
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Customer, Extent of Reliance [Line Items]
Number of reportable segments
Concentration risk percentage
Accrued rebates and copay assistance.
Non cash lease expense.
Unpaid debt issuance costs
Consolidation basis, description.
Risks Uncertainties and Liquidity [Policy Text Block]
2030 Notes [Member]
Stock Options, Unvested RSUs And Unvested PSUs [Member]
The number of equity-based payment instruments, excluding stock (or unit) options, that vested but unissued during the reporting period.
Schedule Of Valuation And Qualifying Accounts Disclosure [Table Text Block]
Chargebacks [Member]
Government Rebates [Member]
Allowances For Sales Returns [Member]
Administrative Fees and Other Rebates [Member]
Co Pay Assistance [Member]
Reserves For Cash Discount [Member]
Licenses [Member]
Gain loss on valuation allowances and reserves balance.
Acquired Product Rights [Member]
State Pharmacy Licenses [Member]
Prepaid Expense and Other Current Assets [Disclosure Text Block]
Prepaid computer software licenses and related expenses.
Prefunded co-pay assistance.
Prepaid prescription drug user fees.
Product Sales Net [Member]
Other Revenues [Member]
Indefinite lived intangible assets accumulated amortization.
Acquired New Drug Applications [Member]
Amount of amortization for asset, excluding financial asset and goodwill, lacking physical substance with finite life expected to be recognized after fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
Milestone payment.
Santen Agreements [Member]
Samsung Agreement [Member]
Senior Notes Due 2030 [Member]
Other Offering Expense [Member]
Senior Notes Due 2030 [Member]
Punitive Damages [Member]
Actual Damages [Member]
OSRX Liability [Member]
Asset Purchase, License and Related Agreements [Member]
Upfront and milestone payments.
Branded [Member]
Compounding [Member]
Selling General and Administrative Expense [Member]
Research and Development Expenses [Member]
Schedule Of Segment Reporting Information [Text Block]
IHEEZO [Member]
VEVYE [Member]
Other Products [Member]
Other Revenue [Member]
Two Customer [Member]
Capitalized software costs net.
No Customer [Member]
One Customer [Member]
Three Customers [Member]
Two Suppliers [Member]
Purchases [Member]
Purchase of product rights.
Rebates [Member]
Increase decrease in liability.
Unrecognized gain contingency.
Assets, Current
Assets
Liabilities, Current
Liabilities
Equity, Attributable to Parent
Equity, Including Portion Attributable to Noncontrolling Interest
Liabilities and Equity
Operating Expenses
Interest Expense, Nonoperating
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest
Income Tax Expense (Benefit)
Shares, Outstanding
Increase (Decrease) in Accounts Receivable
Increase (Decrease) in Inventories
Increase (Decrease) in Prepaid Expense and Other Assets
Increase (Decrease) in Employee Related Liabilities
Increase (Decrease) in Deferred Revenue
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation
Payments to Acquire Property, Plant, and Equipment
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation
Payments of Debt Issuance Costs
Cash Provided by (Used in) Financing Activity, Including Discontinued Operation
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation
Forgone Recovery, Individual Name
Outstanding Recovery, Individual Name
Awards Close in Time to MNPI Disclosures, Individual Name
Trading Arrangement, Individual Name
Accounts Receivable, Allowance for Credit Loss, Current
Accounts Receivable, Allowance for Credit Loss, Writeoff
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount
Indefinite-Lived Trademarks
Intangible Asset, Finite-Lived, after Accumulated Amortization
Long-Term Debt, Maturity, Remainder of Fiscal Year
Long-Term Debt, Maturity, Year One
Long-Term Debt, Maturity, Year Two
Long-Term Debt, Maturity, Year Three
Long-Term Debt, Maturity, Year Four
Long-Term Debt
Beginning balance
Ending balance