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Significant Accounting Policies (Policies) | 12 Months Ended
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Sep. 30, 2024
Accounting Policies [Abstract] |
Basis of Accounting, Policy [Policy Text Block] | Basis of Presentation The accompanying financial statements present the consolidated financial position, results of operations and cash flows of the Company in accordance with accounting principles generally accepted in the United States of America ("U.S. GAAP"). All significant intercompany balances and transactions have been eliminated.
Use of Estimates, Policy [Policy Text Block] | Use of Estimates The preparation of financial statements in conformity with U.S. GAAP requires the use of estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. The Company considers many factors in selecting appropriate operational and financial accounting policies and controls and in developing the estimates and assumptions that are used in the preparation of these financial statements. The Company continually evaluates its estimates, including those related to revenue recognition, credit loss, collectability of rental revenue, inventory obsolescence reserves, self-insurance reserves, product warranty reserves, useful lives of long-lived assets, impairment of long-lived assets, impairment of goodwill and other intangible assets and deferred income tax assets. The Company bases its estimates on historical experience and various other factors that are believed to be reasonable under the circumstances. While management believes current estimates are reasonable and appropriate, actual results may differ from these estimates under different conditions or assumptions.
Cash and Cash Equivalents, Policy [Policy Text Block] | Cash and Cash Equivalents The Company considers all highly liquid investments purchased with an original or remaining maturity at the time of purchase of three months or less to be cash equivalents. At September 30, 2024, cash and cash equivalents included $1.1 million held by the Company’s foreign subsidiaries and branch offices.
Concentration Risk, Credit Risk, Policy [Policy Text Block] | Concentrations of Risk Credit The Company maintains its cash in bank deposit accounts that, at times, exceed federally insured limits. Management of the Company believes that the financial strength of the financial institutions holding such deposits minimizes the credit risk of such deposits. The Company sells products to customers throughout the United States and various foreign countries. The Company’s normal credit terms for trade receivables are 30 days. In certain situations, credit terms may be extended to 60 days or longer. The Company performs ongoing credit evaluations of its customers and generally does not require collateral for its trade receivables. Additionally, the Company provides long-term financing in the form of promissory notes and sales-type leases when competitive conditions require such financing. In such cases, the Company may require collateral. Allowances are recognized for immediately for expected credit losses. The Company determines the allowance for credit losses through a review of several factors, including historical collection experience, customer credit worthiness, current aging of customer accounts and current financial conditions of its customers. Receivables are charged off against the allowance whenever it is probable that the balance will not be recoverable. Two customers each comprised 27.4% and 16.0% of the Company’s revenue during fiscal year 2024. At September 30, 2024, the Company had trade accounts and notes receivable from these customers of $ 4.1 million and $9.5 million, respectively. Two customers each comprised 26.7% and 11.7% of the Company’s revenue during fiscal year 2023. At September 30, 2023, the Company had trade accounts and notes receivable from these customers of $3.5 million and $4.8 million, respectively. Supplier Certain models of the Company’s oil and gas marine wireless products require a timing device it purchases from a United States of America manufacturer. The Company currently does not possess the ability to manufacture this component and has no other reliable source for this device. If this manufacturer were to discontinue its production of this timing device, were to become unwilling to contract with the Company on competitive terms or were unable to supply the component in sufficient quantities to meet its requirements, the Company’s ability to compete in the marine wireless marketplace could be impaired, which could adversely affect its financial performance. The device is used in certain models of the Company’s rental equipment. The Company had no product sales in fiscal year 2024 requiring this device. Product sales requiring this device in fiscal year 2023 represented approximately 4% of the Company's revenue. The Company purchases all of its thermal film from one manufacturer for its imaging products. Except for the film sold to the Company by this manufacturer, the Company knows of no other source for thermal film that performs as well in its imaging equipment. If the manufacturer were to discontinue producing thermal film, were to become unwilling to contract with the Company on competitive terms or were unable to supply thermal film in sufficient quantities to meet its requirements, the Company’s ability to compete in the direct thermal imaging marketplace could be impaired, which could adversely affect its financial performance. Thermal film sales represented approximately 5% of the Company’s revenue in each of fiscal years 2024 and 2023. In June 2016, the Financial Accounting Standards Board (the “FASB”) issued guidance surrounding credit losses for financial instruments that replaces the incurred loss impairment methodology in generally accepted accounting principles. The new impairment model requires immediate recognition of estimated credit losses expected to occur for most financial assets and certain other financial instruments. For available-for-sale debt securities with unrealized losses, credit losses will be recognized as allowances rather than reductions in the amortized cost of the securities. The Company adopted this standard on October 1, 2023. The adoption of this standard did not have any material impact on its consolidated financial statements.
Investment, Policy [Policy Text Block] | Short-term Investments The Company classifies its short-term investments as available-for-sale debt securities which have maturities of less than one year. These securities are carried at fair market value with net unrealized gains and losses reported as a component of accumulated other comprehensive loss in stockholders’ equity. Credit losses are recorded as an allowance rather than a reduction of the amortized cost basis for debt securities determined to be impaired for which there is neither an intent nor a more-likely-than-not requirement to sell. Reversals of credit losses are recorded in current period income as they occur.
Inventory, Policy [Policy Text Block] | Inventories The Company records a write-down of its inventories when the cost basis of any manufactured product, including any estimated future costs to complete the manufacturing process, exceeds its net realizable value. Inventories are stated at the lower of cost or net realizable value. Cost is determined on the first-in, first-out method, except that certain of the Company’s foreign subsidiaries use an average cost method to value their inventories. The Company periodically reviews the composition of its inventories to determine if market demand, product modifications, technology changes, excessive quantities on-hand and other factors hinder our ability to recover its investment in such inventories. The Company’s assessment is based upon historical product demand, estimated future product demand and various other judgments and estimates. Inventory obsolescence reserves are recorded when such assessments reveal that portions or components of the Company’s inventory investment will not be realized in its operating activities. The Company reviews it inventories for classification purposes. The value of inventories not expected to be realized in cash, sold or consumed during its next operating cycle are classified as non-current assets.
Property, Plant and Equipment, Policy [Policy Text Block] | Property, Plant and Equipment and Rental Equipment Property, plant and equipment and rental equipment are stated at cost. Depreciation expense is calculated using the straight-line method over the following estimated useful lives:
|  | Years |
Rental equipment |  |  | 2 - 5 |
Property, plant and equipment: |  |  |  |
Machinery and equipment |  |  | 3 - 15 |
Buildings and building improvements |  |  | 10 - 50 |
Other |  |  | 5 - 10 |
Expenditures for renewals and betterments are capitalized. Repairs and maintenance expenditures are charged to expense as incurred. The cost and accumulated depreciation of assets sold or otherwise disposed of are removed from the accounts and any gain or loss thereon is reflected in the statements of operations.
Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block] | Impairment of Long-lived Assets The Company’s long-lived assets are reviewed for impairment whenever an event or change in circumstances indicates the carrying amount of an asset or group of assets may not be recoverable. The impairment review, if necessary, includes a comparison of expected future cash flows (undiscounted and without interest charges) to be generated by an asset group with the associated carrying value of the related assets. If the carrying value of the asset group exceeds the expected future cash flows, an impairment loss is recognized to the extent that the carrying value of the asset group exceeds its fair value. At September 30, 2024, in light of the Company's historical losses and continued delays in obtaining additional contracts from the U.S. Customs and Border Protection and other customers on its Emerging Markets segment, the Company performed a recoverability assessment on the long-lived assets of its Emerging Markets asset group in which its carrying value was compared to estimated undiscounted cash flows over the remaining useful life of the asset group's primary asset, its developed technology. The carrying value of the asset group was in excess of the estimated undiscounted future cash flows. Accordingly, a fair value analysis was performed. Based on the assessment, the Company determined the fair value of the asset was less than its carrying value. The Company used an excess earnings approach to value the asset. Key assumptions used in the analysis include revenue, gross margin and cash flow projections. As a result of the assessment, the Company recorded an impairment charge of $2.8 million on this asset group, which impaired its developed technology intangible asset in its entirety.
Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block] | Goodwill The Company conducts its evaluation of goodwill at the reporting unit level on an annual basis as of September 30 and more frequently if events or circumstances indicate that the carrying value of a reporting unit exceeds its fair value. The Company first assesses qualitative factors to determine if the fair value of a reporting unit exceeds its carrying amount. If, based on the qualitative assessment of events or circumstances, the Company determines it is more likely than not that the fair value of a reporting unit is more than its carrying amount then it does not perform a quantitative assessment. However, if the Company concludes otherwise, then a it performs a quantitative assessment. If, based on the quantitative assessment, the Company determines that the fair value of a reporting unit is less that its carrying amount, a goodwill impairment is recognized equal to the difference between the carrying amount of the reporting unit and its fair value, not to exceed the carrying amount of the goodwill.
Intangible Assets, Finite-Lived, Policy [Policy Text Block] | Other Intangible Assets Intangible assets are carried at cost, net of accumulated amortization. The estimated useful life of the Company’s other intangible assets are evaluated each reporting period to determine whether events or circumstances warrant a revision to the remaining amortization period. If the estimate of an intangible asset’s remaining useful life is changed, the amortization period should be changed prospectively. Amortization expense is calculated using the straight-line method over the following estimated useful lives:
|  | Years |
Developed technology |  |  | 18 |
Trade names |  |  | 5 |
Customer relationships |  |  | 4 |
Non-compete agreements |  |  | 4 |
Revenue [Policy Text Block] | Revenue Recognition See Note 2 to these consolidated financial statements.
Research and Development Expense, Policy [Policy Text Block] | Research and Development Costs The Company expenses research and development costs as incurred. Research and development costs include salaries, employee benefit costs, department supplies, direct project costs and other related costs.
Standard Product Warranty, Policy [Policy Text Block] | Product Warranties Most of the Company’s products do not require installation assistance or sophisticated instructions. The Company offers a standard product warranty obligating it to repair or replace equipment with manufacturing defects. The Company maintains a reserve for future warranty costs based on historical experience or, in the absence of historical product experience, management’s estimates. Reserves for future warranty costs are included within other current liabilities on the consolidated balance sheets. Changes in the product warranty reserve are reflected in the following table (in thousands):
Balance at October 1, 2022 |  | $ | 524 |
Accruals for warranties issued during the year |  |  | 1,655 |
Settlements made (in cash or in kind) during the year |  |  | (1,521 | )
Balance at September 30, 2023 |  |  | 658 |
Accruals for warranties issued during the year |  |  | 2,331 |
Settlements made (in cash or in kind) during the year |  |  | (1,738 | )
Balance at September 30, 2024 |  | $ | 1,251 |
Share-Based Payment Arrangement [Policy Text Block] | Stock-Based Compensation The Company accounts for stock-based compensation, including grants of restricted awards and unqualified stock options in accordance with Accounting Standards Codification Topic 718, which requires that all share-based payments (to the extent that they are compensatory) be recognized as an expense in the Company’s consolidated statements of operations based on their fair values on the award date and the estimated number of shares it ultimately expects to vest. The Company recognizes stock-based compensation expense on a straight-line basis over the requisite service period of the award. The Company’s stock-based compensation plan and awards are more fully described in Note 15 to these consolidated financial statements.
Foreign Currency Transactions and Translations Policy [Policy Text Block] | Foreign Currency Gains and Losses The assets and liabilities of the Company’s foreign subsidiaries and branch offices that have a foreign currency as their functional currency have been translated into U.S. dollars using the exchange rates in effect at the balance sheet date. Results of operations have been translated using the average exchange rates during the year. Resulting translation adjustments have been recorded as a component of accumulated other comprehensive loss in stockholders’ equity. Foreign currency transaction gains and losses are included in the statements of operations as they occur. Transaction gains and losses on intra-entity foreign currency transactions and balances, including advances and demand notes payable on which settlement is not planned or anticipated in the foreseeable future, are recorded in “accumulated other comprehensive loss” on our consolidated balance sheets.
Fair Value of Financial Instruments, Policy [Policy Text Block] | Fair Value Fair value is the price that would be received to sell an asset or the amount paid to transfer a liability in an orderly transaction between market participants (an exit price) at the measurement date. U.S. GAAP has established a fair value hierarchy which prioritizes the inputs to the valuation techniques used to measure fair value into three levels. These levels are determined based on the lowest level input that is significant to the fair value measurement. Level 1 represents unadjusted quoted prices in active markets for identical assets and liabilities. Level 2 represents quoted prices for similar assets and liabilities in active markets (other than those included in Level 1) which are observable, either directly or indirectly. Level 3 represents valuations derived from valuation techniques in which one or more significant inputs or significant value drivers are unobservable. Also see Note 5 to these consolidated financial statements.
Income Tax, Policy [Policy Text Block] | Income Taxes Income taxes are presented in accordance with the Accounting Standards Codification Topic 740 (“Topic 740”) guidance for accounting for income taxes. The estimated future tax effects of temporary differences between the tax basis of assets and liabilities and amounts reported in the accompanying consolidated balance sheets, as well as operating loss and tax credit carrybacks and carryforwards are recorded. Deferred tax assets and liabilities are determined based on differences between financial reporting and tax basis of assets and liabilities (temporary differences) and are measured using the enacted tax rates and laws that will be in effect when the differences are expected to reverse. The Company periodically reviews the recoverability of tax assets recorded on the balance sheet and provides valuation allowances if it is more likely than not that such assets will not be realized. The Company follows the guidance of Topic 740 to analyze all tax positions that are less than certain. Topic 740 prescribes a recognition threshold and measurement attribute for the financial statement recognition and measurement of a tax position taken or expected to be taken in a tax return. In accordance with Topic 740, the Company recognizes in its financial statements the impact of a tax position if that position is “more likely than not” to be sustained on audit, based on the technical merits of the position. The Company’s estimate of the potential outcome of any uncertain tax issue is subject to management’s assessment of relevant risks, facts, and circumstances existing at that time. The Company classifies interest and penalties associated with the payment of income taxes, if any, in the Other Income (Expense) section of its consolidated statements of operations.
New Accounting Pronouncements, Policy [Policy Text Block] | Recently Adopted Accounting Pronouncements In June 2016, the Financial Accounting Standards Board (the “FASB”) issued guidance surrounding credit losses for financial instruments that replaces the incurred loss impairment methodology in generally accepted accounting principles. The new impairment model requires immediate recognition of estimated credit losses expected to occur for most financial assets and certain other financial instruments. For available-for-sale debt securities with unrealized losses, credit losses will be recognized as allowances rather than reductions in the amortized cost of the securities. The Company adopted this standard on October 1, 2023. The adoption of this standard did not have any material impact on its consolidated financial statements. Recently Issued Accounting Pronouncements In November 2023, the FASB issued guidance which updates reportable segment disclosure requirements primarily through enhanced disclosures about significant segment expenses. The guidance is effective for fiscal years beginning after December 15, 2023, and for interim periods within fiscal years beginning after December 15, 2024. Early adoption is permitted. The guidance shall be applied retrospectively to all prior periods presented in the financial statements. The Company is currently evaluating the provisions of this guidance and the impact on its consolidated financial statements. In December 2023, the FASB issued guidance regarding improvements in income tax disclosure which will require the Company to disclose specified additional information in its income tax rate reconciliation and provide additional information for reconciling items that meet a quantitative threshold. The guidance will also require the Company to disaggregate its income taxes paid disclosure by federal, state and foreign taxes, with further disaggregation required for significant individual jurisdictions. The Company will adopt this guidance in its fourth quarter of fiscal year 2026. The guidance allows for adoption using either a prospective or retrospective transition method. The adoption of this guidance is not expected to have any material impact on its consolidation financial statements.

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