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Note 6 - Fair Value Measurements - Fair Value Measurement of Acquired Intangible Assets (Details) - Evertel Technologies, LLC [Member] $ in Thousands | 6 Months Ended
--- | ---
Mar. 31, 2024 USD ($)
Intangible assets from Evertel acquisition | $ 2,550
Intangible assets, gain (loss) | 0
Goodwill from Evertel acquisition | 2,923
Gain (loss) in goodwill | 0
Fair Value, Inputs, Level 1 [Member] |
Intangible assets from Evertel acquisition | 0
Goodwill from Evertel acquisition | 0
Fair Value, Inputs, Level 2 [Member] |
Intangible assets from Evertel acquisition | 0
Goodwill from Evertel acquisition | 0
Fair Value, Inputs, Level 3 [Member] |
Intangible assets from Evertel acquisition | 2,550
Goodwill from Evertel acquisition | $ 2,923

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- Definition Fair value portion of assets, excluding financial assets, that lack physical substance, having a limited useful life. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2E -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2E Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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