Note 8 - Leases (Details Textual) $ in Thousands	12 Months Ended
Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Dec. 31, 2021
Number of Operating Right of Use Asset Related to Leased Facility	2
Accounts Receivable, after Allowance for Credit Loss, Current	$ 20,157	$ 12,661
Equipment Expense	11,800	13,700
Lease Receivable [Member]
Operating Lease, Lease Income	51,000	24,900
Lessor, Operating Lease, Payment to be Received, Next Rolling 12 Months	29,600
Equipment [Member] \| Lease Receivable [Member]
Accounts Receivable, after Allowance for Credit Loss, Current	$ 9,000
Land [Member] \| Calgary, Alberta, Canada [Member]
Number of Operating Right of Use Asset Related to Leased Facility	2
Lessor, Operating Lease, Term of Contract (Year)			5 years
Operating Lease, Lease Income	$ 200	$ 200
Maximum [Member] \| Equipment [Member]
Lessor, Operating Lease, Term of Contract (Year)	1 year

The number of operating lease right of use assets related to leased facility.

No definition available.

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- Definition

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481990/310-10-45-2

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Balance Type:	debit
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- Definition

This element represents equipment expense including depreciation, repairs, rentals, and service contract costs. This item also includes equipment purchases which do not qualify for capitalization in accordance with the entity's accounting policy. This item may also include furniture expenses.

+ References

No definition available.

+ Details

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Balance Type:	debit
Period Type:	duration

- Definition

Amount of lease payments to be received by lessor in next rolling twelve months following latest statement of financial position date for operating lease. For interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 12
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479773/842-30-50-12

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Period Type:	instant

- Definition

Term of lessor's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
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-Subparagraph (a)(3)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479773/842-30-50-3

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- Definition

Amount of operating lease income from lease payments and variable lease payments paid and payable to lessor. Includes, but is not limited to, variable lease payments not included in measurement of lease receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479773/842-30-50-5

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 270
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-URI https://asc.fasb.org//1943274/2147482964/270-10-50-6A

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479016/842-30-45-3

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Balance Type:	credit
Period Type:	duration

- Details

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Period Type:

- Details

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- Details

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- Details

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