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Note 12 - Leases (Details Textual) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Sep. 30, 2021	Oct. 01, 2019
Increase in Lease Liability with 10% Increase in Index	$ 19
Operating Lease, Liability	6,394		$ 6,608
Operating Lease, Right-of-Use Asset	$ 4,689		$ 4,862
Operating Lease, Weighted Average Remaining Lease Term (Year)	6 years 5 months 8 days
Operating Lease, Weighted Average Discount Rate, Percent	4.14%
Operating Lease, Expense	$ 244	$ 236
Short-term Lease, Cost	0	$ 0
Assets Acquisition of Amika Mobile Corporation [Member]
Operating Lease, Liability	7
Operating Lease, Right-of-Use Asset	$ 7
Accounting Standards Update 2016-02 [Member]
Operating Lease, Liability				$ 7,815
Operating Lease, Right-of-Use Asset				$ 5,824

X

- Definition

The amount of increase in lease liability with every 10% increase in index.

+ References

No definition available.

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- Definition

Amount of operating lease expense. Excludes sublease income.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 4
-Subparagraph (b)
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Present value of lessee's discounted obligation for lease payments from operating lease.

+ References

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Amount of lessee's right to use underlying asset under operating lease.

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Weighted average discount rate for operating lease calculated at point in time.

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- Definition

Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of short-term lease cost, excluding expense for lease with term of one month or less.

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