Cover [Abstract] Document Type Document Quarterly Report Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Current Fiscal Year End Date Current Fiscal Year End Date Document Transition Report Entity File Number Entity Registrant Name Entity Registrant Name Entity Incorporation, State or Country Code Entity Address, Address Line One Entity Address, City Or Town Entity Address, State Or Province Entity Tax Identification Number Entity Address, Postal Zip Code City Area Code Local Phone Number Title of 12(b) Security Trading Symbol Security Exchange Name Entity Current Reporting Status Entity Current Reporting Status Entity Interactive Data Current Entity Filer Category Entity Filer Category Entity Small Business Entity Small Business Entity Emerging Growth Company Entity Emerging Growth Company Entity Shell Company Entity Common Stock, Shares Outstanding (in shares) Entity Common Stock, Shares Outstanding Document Fiscal Period Focus Document Fiscal Period Focus Entity Central Index Key Entity Central Index Key Amendment Flag Amendment Flag CONDENSED CONSOLIDATED BALANCE SHEETS [Abstract] Current assets: Cash and cash equivalents Debt Securities, Available-for-Sale, Current Available-for-sale investments, at fair value Available-for-sale investments Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss, Current Short-term investments held to maturity, at amortized cost Short term investments, held-to-maturity Accounts receivable, less allowance for doubtful accounts of $6,027 and $2,027, respectively Accounts receivable, less allowance for credit losses of $2,043 at March 31, 2026 and June 30, 2025 Inventories, net Inventories Inventories, net Prepaid expenses and other current assets Interest Receivable, Current Interest receivable Income taxes receivable us-gaap_AssetsCurrent Total current assets Equipment and leasehold improvements, net Other assets: Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss, Noncurrent Long-term investments held to maturity, at amortized cost Long term investments, held-to-maturity Finance Lease, Right-of-Use Asset, after Accumulated Amortization Finance lease right-of-use asset Operating lease right-of-use asset Cash surrender value of life insurance us-gaap_OtherAssetsNoncurrent Total other assets us-gaap_Assets Total segment assets Total assets Liabilities and Equity [Abstract] LIABILITIES AND STOCKHOLDERS' EQUITY Current liabilities: Accounts payable Accrued Liabilities, Current Accrued liabilities Contract With Customer Liability Current Deferred revenue Finance Lease, Liability, Current Finance lease liability us-gaap_OperatingLeaseLiabilityCurrent Operating lease liability Taxes Payable, Current Income taxes payable us-gaap_LiabilitiesCurrent Total current liabilities Long-term liabilities: Deferred compensation Deferred revenue Finance Lease, Liability, Noncurrent Finance lease liability Operating lease liability us-gaap_LiabilitiesNoncurrent Total long-term liabilities us-gaap_Liabilities Total liabilities Stockholders' equity: Common stock, $0.005 par value, authorized 20,000,000 shares; issued and outstanding 9,179,795 and 9,137,795, respectively Common stock, $0.005 par value, authorized 20,000,000 shares; issued and outstanding 9,466,438 at March 31, 2026 and 9,456,438 at June 30, 2025, respectively Paid in capital Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive loss Retained earnings us-gaap_StockholdersEquity Balance Balance Total stockholders' equity us-gaap_LiabilitiesAndStockholdersEquity Total liabilities and stockholders' equity Accounts receivable, allowance for credit losses Common stock, par value (in dollars per share) Common stock, shares authorized (in shares) Common stock, shares issued (in shares) Common stock, shares outstanding (in shares) Balance (in shares) Balance (in shares) CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS [Abstract] Net sales Net Sales Cost of goods sold us-gaap_GrossProfit Gross profit Selling, general and administrative expenses Selling, general and administrative expenses us-gaap_OperatingIncomeLoss Loss from operations Interest Income (Expense), Nonoperating [Abstract] Other income (expense): Investment Income, Interest Interest income Other Nonoperating Income Other income Interest Expense, Nonoperating Interest expense Nonoperating Income (Expense) Total other income, net us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments Loss before income tax provision Income Tax Expense (Benefit) Total income tax provision Income tax provision Net income (loss) Net loss Net loss Earnings Per Share Basic And Diluted 1 [Abstract] Earnings Per Share Basic And Diluted 1 [Abstract] Loss per common share: us-gaap_EarningsPerShareBasic Basic (in dollars per share) Basic (in dollars per share) us-gaap_EarningsPerShareDiluted Diluted (in dollars per share) Diluted (in dollars per share) Weighted-average number of shares: Basic (in shares) Weighted average shares, basic (in shares) Diluted (in shares) Diluted shares (in shares) Statement of Comprehensive Income [Abstract] Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Other comprehensive loss: OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax Unrealized loss on available-for-sale securities Unrealized loss on available-for-sale securities Comprehensive Income (Loss), Net of Tax, Attributable to Parent Total comprehensive loss CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS [Abstract] Statement [Table] Statement [Line Items] Operating activities: Adjustments to reconcile net loss to net cash provided by (used in) operating activities: (Recovery of) provision for doubtful accounts of accounts receivable Provision for credit losses Depreciation of equipment and leasehold improvements Accretion (Amortization) of Discounts and Premiums, Investments Net accretion of discount on treasury securities Finance Lease, Right-of-Use Asset, Amortization Amortization of finance lease right-of-use asset Operating Lease, Right-of-Use Asset, Amortization Expense Noncash operating lease expense us-gaap_ShareBasedCompensation Stock-based compensation expense us-gaap_LifeInsuranceCorporateOrBankOwnedChangeInValue Change in cash surrender value of life insurance Provision (benefit) for deferred compensation Provision for deferred compensation Net changes in operating assets and liabilities: us-gaap_IncreaseDecreaseInAccountsReceivable Accounts receivable us-gaap_IncreaseDecreaseInInventories Inventories us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets Prepaid expenses and other current assets Increase (Decrease) in Interest and Dividends Receivable Interest receivable us-gaap_IncreaseDecreaseInIncomeTaxesReceivable Income taxes receivable Increase (Decrease) in Income Taxes Payable Income taxes payable us-gaap_IncreaseDecreaseInAccountsPayable Accounts payable us-gaap_IncreaseDecreaseInAccruedLiabilities Accrued liabilities us-gaap_IncreaseDecreaseInContractWithCustomerLiability Deferred revenue us-gaap_NetCashProvidedByUsedInOperatingActivities Net cash provided by (used in) operating activities Investing activities: us-gaap_PaymentsToAcquirePropertyPlantAndEquipment Purchase of equipment and leasehold improvements us-gaap_PaymentsToAcquireLifeInsurancePolicies Life insurance premiums paid Proceeds from Maturities, Prepayments and Calls of Held-to-Maturity Securities Proceeds from the maturity of treasury securities Payments to Acquire Held-to-Maturity Securities Purchases of treasury securities us-gaap_NetCashProvidedByUsedInInvestingActivities Net cash used in investing activities Financing activities: us-gaap_ProceedsFromStockOptionsExercised Proceeds from exercise of stock options Finance Lease, Principal Payments Principal payments on finance lease obligations us-gaap_NetCashProvidedByUsedInFinancingActivities Net cash provided by financing activities us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease Net increase (decrease) in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash and cash equivalents at end of period Cash and cash equivalents at beginning of period Supplemental Cash Flow Information [Abstract] Supplemental cash flow information: Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Right of use assets obtained in exchange for finance lease liabilities Finance Lease, Interest Payment on Liability Cash paid for interest on finance lease liability Income Taxes Paid, Net Cash paid, net of refunds, for income taxes CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY [Abstract] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Common Stock [Member] Common Stock [Member] Additional Paid In Capital [Member] Paid in Capital [Member] Retained Earnings [Member] Retained Earnings [Member] Stock-based compensation expense, as restated Stock-based compensation expense Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Stock option exercises (in shares) Stock option exercises Stock option exercises SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract] Significant Accounting Policies [Text Block] SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES INVESTMENTS [Abstract] Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] INVESTMENTS INVENTORIES [Abstract] Inventories [Text Block] INVENTORIES INCOME TAXES [Abstract] Income Tax Disclosure [Text Block] INCOME TAXES CREDIT FACILITY [Abstract] Debt Disclosure [Text Block] CREDIT FACILITY REVENUE RECOGNITION [Abstract] Revenue from Contract with Customer [Text Block] REVENUE RECOGNITION LOSS PER COMMONN AND COMMON STOCK EQUIVALENT SHARE [Abstract] Earnings Per Share [Text Block] LOSS PER COMMON AND COMMON STOCK EQUIVALENT SHARE RELATED PARTY TRANSACTIONS [Abstract] Related Party Transactions Disclosure [Text Block] RELATED PARTY TRANSACTIONS ACCOUNTS RECEIVABLE CONCENTRATIONS [Abstract] Concentration Risk Disclosure [Text Block] ACCOUNTS RECEIVABLE CONCENTRATIONS SEGMENT INFORMATION [Abstract] Segment Reporting Disclosure [Text Block] SEGMENT INFORMATION LEGAL MATTERS [Abstract] Legal Matters and Contingencies [Text Block] LEGAL MATTERS Basis of Accounting, Policy [Policy Text Block] BASIS OF PRESENTATION Investment Policy [Text Block] INVESTMENTS Fair Value of Financial Instruments, Policy [Policy Text Block] FAIR VALUE MEASUREMENTS Legal Costs, Policy [Policy Text Block] LEGAL COSTS Interest and Other Income [Text Block] OTHER INCOME Income Tax, Policy [Policy Text Block] INCOME TAXES Compensation Related Costs, Policy [Policy Text Block] DEFERRED COMPENSATION New Accounting Pronouncements, Policy [Policy Text Block] RECENT ACCOUNTING PRONOUNCEMENTS Debt Securities, Held-to-Maturity [Table Text Block] Summary of Unrealized Positions for Held-to-Maturity Debt Securities Investments Classified by Contractual Maturity Date [Table Text Block] Summary of Held-to-Maturity Debt Securities by Contractual Maturity Schedule of Inventory, Current [Table Text Block] Components of Inventories Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Components of Income Tax Expense Disaggregation of Revenue [Table Text Block] Disaggregation of Revenue Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Reconciliation of Numerator and Denominator Used to Calculate Basic and Diluted Income (Loss) per Share Schedule of Segment Reporting Information, by Segment [Table Text Block] Summary of Segment Information Accounting Policies Disclosure [Table] Accounting Policies Disclosure [Table] Financial Instrument [Axis] Transfers And Servicing Of Financial Instruments Types Of Financial Instruments [Domain] Financial Instruments [Domain] U S Treasury Securities [Member] US Treasury Securities [Member] Product and Service [Axis] Products And Services [Domain] Product and Service [Domain] License [Member] Licensing [Member] Accounting Policies Disclosure [Line Items] Accounting Policies Disclosure [Line Items] Debt Securities, Available-for-Sale, Amortized Cost Debt securities, amortized cost Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value Fair value of debt securities, available for sale, held to maturity Debt Securities, Held-to-Maturity, Allowance for Credit Loss Allowance for credit losses, held-to-maturity debt securities Current State and Local Tax Expense (Benefit) State State income tax expense (provision) Current Federal Tax Expense (Benefit) Federal Federal income tax provision Other Federal Income Tax Expense (Benefit) Other Federal Income Tax Expense (Benefit) Other federal income tax provisions Tax Credit Carryforward, Amount Tax loss carryforward Deferred Compensation Liability, Current and Noncurrent Deferred compensation liability Deferred Compensation Arrangement with Individual, Compensation Expense Deferred compensation expense (income) Deferred compensation expense (income) Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate Discount factor OCI, Debt Securities, Available-for-Sale, Transfer from Held-to-Maturity, Gain (Loss), before Adjustment, after Tax Transfer of debt securities from held to maturity to available for sale Debt Securities, Held-to-Maturity [Table] Schedule of Held-to-Maturity Securities [Line Items] Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss Amortized cost basis Debt Securities, Held-to-Maturity, Accumulated Unrecognized Gain Gross unrealized gains Debt Securities, Held-to-Maturity, Accumulated Unrecognized Loss Gross unrealized losses Debt Securities, Held-to-Maturity, Fair Value Fair Value Fair Value Debt Securities, Available-for-Sale, Amortized Cost, Rolling Maturity [Abstract] Amortized cost basis Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, Year One Due within one year Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, after Year One through Five Due after one year through five years Debt Securities, Available-for-Sale, Maturity, Fair Value, Rolling Maturity [Abstract] Fair Value Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, Year One Due within one year Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five Due after one year through five years Raw materials Finished goods us-gaap_InventoryGross Inventories, gross us-gaap_InventoryValuationReserves Reserve for obsolete inventory Income Tax Disclosure [Table] Income Tax Disclosure [Table] Statistical Measurement [Axis] Range [Member] Statistical Measurement [Domain] Maximum [Member] Maximum [Member] Income Tax Disclosure [Line Items] Income Tax Disclosure [Line Items] Effective Income Tax Rate Reconciliation, Percent Effective tax rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Federal statutory rate Line of Credit Facility [Table] Lender Name [Axis] Line Of Credit Facility Lender [Domain] Line of Credit Facility, Lender [Domain] Represents Town Bank. Town Bank [Member] Town Bank [Member] Debt Instrument [Axis] Debt Instrument Name [Domain] Debt Instrument, Name [Domain] Represents the "Credit Agreement". Credit Agreement [Member] Credit Agreement [Member] Line of Credit Facility [Line Items] us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity Maximum borrowing capacity Line Of Credit Facility, Maximum Borrowing Capacity Per Letter of Credit Line Of Credit Facility, Maximum Borrowing Capacity Per Letter of Credit Maximum borrowing capacity per letter of credit us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage Unused line fees us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 Spread on variable interest rate Line Of Credit Outstanding borrowings Disaggregation of Revenue [Table] Minimum [Member] Minimum [Member] Domestic sales member Domestic Sales [Member] Domestic sales [Member] Export Sales Member Export Sales [Member] Export sales [Member] Disaggregation of Revenue [Line Items] Revenue, Remaining Performance Obligation, Percentage Remaining performance obligation, percentage us-gaap_ContractWithCustomerLiabilityRevenueRecognized Revenue recognized Contract With Customer Liability Remaining Performance Obligation Expected Timing Of Satisfaction Period Contract With Customer Liability Remaining Performance Obligation Expected Timing Of Satisfaction Period Contract with customer liability remaining performance obligation expected timing of satisfaction period Geographical [Axis] Segment Geographical [Domain] Geographical [Domain] U [S] United States [Member] Non Us [Member] Export [Member] Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Anti-dilutive shares Schedule of Related Party Transactions, by Related Party [Table] Lease Contractual Term [Axis] Lease Contractual Term [Domain] Lease Contractual Term [Domain] Additional Renewal [Member] Additional Renewal [Member] Additional Renewal [Member] Related Party Transaction [Line Items] Lease Extension Per Year Lease Extension Per Year Lease extension per year us-gaap_LesseeOperatingLeaseRenewalTerm Lease renewal term Concentration Risk [Table] Concentration Risk Type [Axis] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Customer Concentration Risk [Member] Customer Concentration Risk [Member] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Accounts Receivable [Member] Accounts Receivable [Member] Customer [Axis] Name Of Major Customer [Domain] Customer [Domain] Three Customers [Member] Three Customers [Member] Three Customers [Member] Customer One [Member] Customer One [Member] Customer One [Member] Customer Two [Member] Customer Two [Member] Customer Two [Member] Customer Three [Member] Customer Three [Member] Customer Three [Member] Concentration Risk [Line Items] Number Of Major Customers Number Of Major Customers Number of major customers us-gaap_ConcentrationRiskPercentage1 Concentration risk percentage Number of Reportable Segments Number of reportable segments Schedule of Segment Reporting Information, by Segment [Table] Segment Reporting Information [Line Items] Gross Profit, Percentage Gross Profit, Percentage Gross profit margin New Product Certification And Compliance Testing New Product Certification And Compliance Testing New product certification and compliance testing Legal And Professional Fees Legal And Professional Fees Legal and professional expense Other Selling, General and Administrative Expense Other selling general and administrative expenses Loss Contingencies [Table] Loss Contingency Nature [Axis] Loss Contingency Nature [Domain] Loss Contingency, Nature [Domain] Patent Infringement [Member] Patent Infringement [Member] Patent Infringement [Member] Loss Contingencies [Line Items] Proceeds from License Fees Received Licensing proceeds Legal Fees Legal fees and related expenses Loss Contingency, Loss in Period Settlement amount Income Tax Authority, Name [Axis] Income Tax Authority Name [Domain] Income Tax Authority, Name [Domain] N [Y] New York [Member] T [X] Texas [Member] M [A] Massachusetts [Member] N [J] New Jersey [Member] C [A] California [Member] N [C] North Carolina [Member] Other Tax Authority [Member] Other Tax Authority [Member] Other Tax Authority [Member] Accumulated Other Comprehensive Income [Member] Accumulated Other Comprehensive Loss [Member] Title of Individual [Axis] Title Of Individual With Relationship To Entity [Domain] Title of Individual [Domain] Officer [Member] Current Officer [Member] Segments [Axis] Segment [Domain] Segments [Domain] Headphones and Related Accessories [Member] Headphones And Related Accessories [Member] Headphones and Related Accessories [Member] Litigation Case [Axis] Litigation Case Type [Domain] Litigation Case [Domain] Company Versus PEAG, LLC [Member] Company Versus Peag Llc [Member] Company vs. PEAG [Member]