Note 7 - Debt, Credit Agreement and Leases - Future Payments of Long-term Debt and Finance and Operating Leases (Details) $ in Thousands	Sep. 30, 2023 USD ($)
Line of Credit Facility [Line Items]
2024, operating leases	$ 1,802
2025, operating leases	1,277
2026, operating leases	1,273
2027, operating leases	1,199
2028, operating leases	1,081
Thereafter, operating leases	5,807
Total, operating	12,439
Less: effect of discounting, operating leases	(3,069)
Operating lease liability	9,370
2024, finance leases	9,313
2025, finance leases	8,888
2026, finance leases	6,415
2027, finance leases	3,389
2028, finance leases	4,156
Total, finance leases	32,161
Less: effect of discounting, Finance Leases	(2,918)
Finance lease, liability	29,243
IQ Notes [Member]
Line of Credit Facility [Line Items]
2024, long-term debt	2,324
2025, long-term debt	37,468
Total, long term Debt	39,792
Long-term debt	39,792
Senior Notes [Member]
Line of Credit Facility [Line Items]
2024, long-term debt	34,438
2025, long-term debt	34,438
2026, long-term debt	34,438
2027, long-term debt	34,438
2028, long-term debt	487,912
Total, long term Debt	625,664
Long-term debt	$ 625,664

Long term debt maturities repayments due

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147478964/842-20-50-6

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479041/842-20-45-1

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147478964/842-20-50-6

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+ References

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(f))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480678/235-10-S99-1

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 3
-Subparagraph (SX 210.12-04(a))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480678/235-10-S99-3

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479041/842-20-45-1

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