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Note 9 - Goodwill and Other Intangible Assets | 6 Months Ended
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Mar. 31, 2023
Notes to Financial Statements |
Goodwill and Intangible Assets Disclosure [Text Block] | 9. Goodwill and Other Intangible Assets The Company’s consolidated goodwill and other intangible assets consisted of the following (in thousands):
|  | Weighted- |  |  |  |  |  |  |  |  |
|  | Average |  |  |  |  |  |  |  |  |
|  | Remaining Useful |  |  |  |  |  |  |  |  |
|  | Lives (in years) |  |  | March 31, 2023 |  |  | September 30, 2022 |
Goodwill: |  |  |  |  |  |  |  |  |  |  |
Emerging Markets reporting unit |  |  |  |  | $ | 4,336 |  |  | $ | 4,336 |
Adjacent Markets reporting unit |  |  |  |  |  | 736 |  |  |  | 736 |
Total goodwill |  |  |  |  |  | 5,072 |  |  |  | 5,072 |
Accumulated impairment losses |  |  |  |  |  | (4,336 | ) |  |  | (4,336 | )
|  |  |  |  | $ | 736 |  |  | $ | 736 |
Other intangible assets: |  |  |  |  |  |  |  |  |  |  |
Developed technology |  | 13.7 |  |  | $ | 6,475 |  |  | $ | 6,475 |
Customer relationships |  | -- |  |  |  | 3,900 |  |  |  | 3,900 |
Trade names |  | 0.5 |  |  |  | 2,022 |  |  |  | 2,022 |
Non-compete agreements |  | 0.2 |  |  |  | 186 |  |  |  | 186 |
Total other intangible assets |  | 7.1 |  |  |  | 12,583 |  |  |  | 12,583 |
Accumulated amortization |  |  |  |  |  | (7,440 | ) |  |  | (7,010 | )
|  |  |  |  | $ | 5,143 |  |  | $ | 5,573 |
At March 31, 2023, the Company had goodwill of $0.7 million and other intangible assets, net of $0.6 million attributable to its Adjacent Markets reporting unit; other intangible assets, net of $3.2 million attributable to its Emerging Markets reporting unit; and other intangible assets, net of $1.4 million attributable to its Oil and Gas Markets 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 March 31, 2023, the Company determined there were no triggering events requiring an impairment assessment of its goodwill and other intangible assets. The Company performs its annual goodwill impairment test in the fourth quarter. If the Company determines that the future cash flows anticipated to be generated from its reporting units will not be sufficient to recover the carrying amount of the respective reporting unit, it will need to recognize an impairment charge 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. Other intangible asset amortization expense for the three and six months ended March 31, 2023 and 2022 was $0.2 million and $0.4 million, respectively. Other intangible asset amortization expense for the three and six months ended March 31, 2022 was $0.4 million and $0.9 million, respectively. As of March 31, 2023, future estimated amortization expense of other intangible assets is as follows (in thousands):
For fiscal years ending September 30, |  |  |  |
2023 (remainder) |  | $ | 337 |
2024 |  |  | 395 |
2025 |  |  | 381 |
2026 |  |  | 374 |
2027 |  |  | 360 |
Thereafter |  |  | 3,296 |
|  | $ | 5,143 |

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