Note 9 - Goodwill and Intangible Assets - Changes in Carrying Amount of Goodwill (Details) $ in Thousands	12 Months Ended
Sep. 30, 2021 USD ($)
Balance, goodwill	$ 2,472
Acquisitions, goodwill	21,128
Currency translation, goodwill	234
Balance, goodwill	23,834
Hardware [Member]
Balance, goodwill	0
Acquisitions, goodwill	0
Currency translation, goodwill	0
Balance, goodwill	0
Software [Member]
Balance, goodwill	2,472
Acquisitions, goodwill	21,128
Currency translation, goodwill	234
Balance, goodwill	$ 23,834

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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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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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