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Note 8 - Goodwill and Intangible Assets - Changes in Carrying Amount of Goodwill (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Balance, goodwill			$ 23,834
Currency translation, goodwill			(323)
Balance, goodwill	$ 23,511		23,511
Balance, intangible assets			12,804
Amortization, intangible assets	(537)	$ (295)	(1,621)	$ (647)
Currency translation, intangible assets			(85)
Balance, intangible assets	11,098		11,098
Hardware [Member]
Balance, goodwill			0
Currency translation, goodwill			0
Balance, goodwill	0		0
Balance, intangible assets			25
Amortization, intangible assets			(3)
Currency translation, intangible assets			0
Balance, intangible assets	22		22
Software [Member]
Balance, goodwill			23,834
Currency translation, goodwill			(323)
Balance, goodwill	23,511		23,511
Balance, intangible assets			12,779
Amortization, intangible assets			(1,618)
Currency translation, intangible assets			(85)
Balance, intangible assets	$ 11,076		$ 11,076

X

- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Amount of foreign currency translation gain (loss) which increases (decreases) assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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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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