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Note 4 - Revenue Recognition - Contract Asset and Contract Liabilities (Details) $ in Thousands	12 Months Ended
	Sep. 30, 2022 USD ($)
Balance as of September 30, 2021	$ 10,129
New performance obligations	17,226
Recognition of revenue as a result of satisfying performance obligations	(20,550)
Effect of exchange rate on deferred revenue	(27)
Balance as of September 30, 2022	6,778
Less: non-current portion	(227)
Current portion as of September 30, 2022	6,551
Customer Deposits [Member]
Balance as of September 30, 2021	8,701
New performance obligations	14,394
Recognition of revenue as a result of satisfying performance obligations	(18,371)
Effect of exchange rate on deferred revenue	0
Balance as of September 30, 2022	4,724
Less: non-current portion	0
Current portion as of September 30, 2022	4,724
Deferred Revenue [Member]
Balance as of September 30, 2021	1,428
New performance obligations	2,832
Recognition of revenue as a result of satisfying performance obligations	(2,179)
Effect of exchange rate on deferred revenue	(27)
Balance as of September 30, 2022	2,054
Less: non-current portion	(227)
Current portion as of September 30, 2022	$ 1,827

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- Definition

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+ References

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- Definition

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+ References

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X

- Definition

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+ References

No definition available.

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X

- Definition

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=126919976&loc=SL49130531-203044

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130549-203045

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 45
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=126919976&loc=SL49130532-203044

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=126919976&loc=SL49130531-203044

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-Publisher FASB
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-URI https://asc.fasb.org/extlink&oid=126919976&loc=SL49130532-203044

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-Publisher FASB
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-Paragraph 8
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-URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130549-203045

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Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as noncurrent.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
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-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=126919976&loc=SL49130532-203044

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-Topic 606
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-Section 50
-Paragraph 8
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-URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130549-203045

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