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Fair Value Measurements | 12 Months Ended
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Sep. 30, 2023
Fair Value Disclosures [Abstract] |
FAIR VALUE MEASUREMENTS | FAIR VALUE MEASUREMENTS Financial assets and liabilities are classified in the fair value hierarchy based on the lowest level input that is significant to the fair value measurement: Level 1 (unadjusted quoted prices in active markets for identical assets or liabilities); Level 2 (observable market inputs, other than quoted prices included in Level 1); and Level 3 (unobservable inputs that cannot be corroborated by observable market data). There were no transfers into or out of our Level 2 financial assets during fiscal 2023. There were no assets or liabilities that are measured at fair value on a recurring basis as of September 30, 2023 or 2022. In connection with our acquisition of Opengear, we agreed to make contingent payments, based upon certain revenue thresholds. We paid the first installment of $0.9 million during the third quarter of fiscal 2020. We paid the final installment of $10.0 million during the second quarter of fiscal 2021. In connection with our acquisition of Haxiot, we agreed to make contingent earn-out payments, based upon certain revenue thresholds (see Note 2 to the consolidated financial statements). In the third quarter of fiscal 2021, the preliminary purchase price allocation was updated, including related determination of fair value and income tax implications. As a result, we adjusted goodwill to $8.6 million and adjusted contingent consideration to $5.9 million on our balance sheet. In the fiscal fourth quarter of 2022, it was determined that the revenue thresholds would not be met and the remaining balance was adjusted down by $5.9 million. The fair value of the remaining liability for contingent consideration for the acquisition of Haxiot was $0.0 million at September 30, 2023 and 2022. In connection with our acquisition of Ctek, we agreed to make contingent earn-out payments, based upon certain revenue thresholds (see Note 2 to the consolidated financial statements). In the fiscal fourth quarter of 2022, it was determined that the revenue thresholds would not be met and the remaining balance was adjusted down by $0.3 million. The fair value of the remaining liability for contingent consideration for the acquisition of Ctek was $0.0 million at September 30, 2023 and 2022. 6. FAIR VALUE MEASUREMENTS (CONTINUED) The following table presents a reconciliation of the contingent consideration liability measured at fair value on a recurring basis using significant unobservable inputs (Level 3) (in thousands):
|  | Year ended September 30,
|  | 2023 |  | 2022
Fair value at beginning of period |  | $ | — |  |  | $ | 6,200 |
Change in fair value of contingent consideration |  | — |  |  | (6,200) |
Fair value at end of period |  | $ | — |  |  | $ | — |
The change in fair value of contingent consideration reflects our estimate of the probability of achieving the relevant targets and is discounted based on our estimated discount rate. Due to the timing of the acquisition, the fair value of the contingent consideration at September 30, 2023 is based on the probability of achieving the specified revenue thresholds for Ctek. As of September 30, 2023, contingent consideration associated with Ctek remains subject to future performance through December 31, 2023.

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- Definition The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
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