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Note 5 - Fair Value Measurements - Holdback Liability Measured at Fair Value on a Non-recurring Basis (Details) $ in Thousands	3 Months Ended
	Dec. 31, 2022 USD ($)
Balance as of December 31, 2022	$ 701
Fair Value, Nonrecurring [Member] | Assets Acquisition of Amika Mobile Corporation [Member] | Holdback Liability [Member]
Balance as of September 30, 2022	680
Accretion	12
Currency translation	$ 9

X

- Definition

Amount of currency translation to the amount at which a liability could be incurred (settled) in a current transaction between willing parties.

+ References

No definition available.

+ Details

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Balance Type:	credit
Period Type:	duration

X

- Definition

Amount of addition (reduction) to the amount at which a liability could be incurred (settled) in a current transaction between willing parties.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Fair value of obligations not classified as financial liabilities. Includes, but is not limited to, accounts payable and accrued liabilities, commitments, obligations, and other liabilities.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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X

- Details

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X

- Details

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Period Type:

X

- Details

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