Amount of foreign currency translation gain (loss) which increases (decreases) goodwill and intangible assets.

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- Definition

Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Note 9 - Goodwill and Intangible Assets (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Oct. 02, 2020	Jun. 07, 2020
Goodwill, Acquired During Period	$ 21,128
Goodwill, Ending Balance	23,834	$ 2,472
Goodwill, Impairment Loss	0	$ 0
Finite-lived Intangible Assets Acquired	12,920
Genasys Spain [Member]
Goodwill and Intangible Assets, Foreign Currency Translation Gain (Loss)	(32)
Zonehaven, Inc and Asset Acquisition of Amika Mobile Corporation [Member]
Goodwill, Acquired During Period	21,128
Finite-lived Intangible Assets Acquired	13,052
Assets Acquisition of Amika Mobile Corporation [Member]
Goodwill, Ending Balance			$ 5,590	$ 15,538
Goodwill and Intangible Assets, Foreign Currency Translation Gain (Loss)	$ 398