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Note 12 - Goodwill and Other Intangible Assets | 12 Months Ended
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Sep. 30, 2025
Notes to Financial Statements |
Goodwill and Intangible Assets Disclosure [Text Block] | 12. Goodwill and Other Intangible Assets In August 2025, in connection with the Company's acquisition of Geovox, it recorded goodwill of $0.5 million (deductible for tax purposes) and other intangible assets of $3.7 million. The operations of Geovox are included as a component of the Company's Intelligent Industrial reporting unit. At September 30, 2025, the Company had goodwill of $0.5 million and other intangible assets, net of $3.7 million attributable to its Intelligent Industrial reporting unit, goodwill of $0.7 million and other intangible assets, net of $0.4 million attributable to its Smart Water reporting unit and other intangible assets, net of $1.1 million attributable to its Energy Solutions reporting unit. Goodwill represents the excess cost of a business acquired over the fair market value of identifiable net assets at the date of acquisition. 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 Industrial Intelligent segment, the Company performed a recoverability assessment on the long-lived assets of its Intelligent Industrial asset group (formerly a part of the Company's 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, which is its developed technology. 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 intangible assets in their entirety. The Company’s consolidated goodwill and other intangible assets consisted of the following (in thousands):
|  | Weighted-Average Remaining Useful Lives (in years) |  |  | AS OF SEPTEMBER 30, |
|  |  |  |  | 2025 |  |  | 2024 |
Goodwill: |  |  |  |  |  |  |  |  |  |  |
Intelligent Industrial |  |  |  |  | $ | 4,858 |  |  | $ | 4,336 |
Smart Water |  |  |  |  |  | 736 |  |  |  | 736 |
Total goodwill |  |  |  |  |  | 5,594 |  |  |  | 5,072 |
Accumulated impairment losses |  |  |  |  |  | (4,336 | ) |  |  | (4,336 | )
|  |  |  |  | $ | 1,258 |  |  | $ | 736 |
Other intangible assets: |  |  |  |  |  |  |  |  |  |  |
Developed technology |  | 6.1 |  |  | $ | 5,575 |  |  | $ | 2,275 |
Customer relationships |  | 0.1 |  |  |  | 3,955 |  |  |  | 3,900 |
Trade names |  | 0.7 |  |  |  | 2,332 |  |  |  | 2,022 |
Non-compete agreements |  | 0.9 |  |  |  | 245 |  |  |  | 186 |
Total other intangible assets |  | 3.8 |  |  |  | 12,107 |  |  |  | 8,383 |
Accumulated amortization |  |  |  |  |  | (6,952 | ) |  |  | (6,734 | )
|  |  |  |  | $ | 5,155 |  |  | $ | 1,649 |
Other intangible assets amortization expense for fiscal years 2025 and 2024 was $0.2 million and $0.4 million, respectively. As of September 30, 2025, fiscal year future estimated amortization expense of other intangible assets is as follows (in thousands):
2026 |  |  | 561 |
2027 |  |  | 547 |
2028 |  |  | 547 |
2029 |  |  | 542 |
2030 |  |  | 508 |
Thereafter |  |  | 2,450 |
|  | $ | 5,155 |

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- Definition The entire disclosure for goodwill and intangible assets. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/350-30/tableOfContent Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/350-20/tableOfContent + Details
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