Note 7 - Leases - Operating Leases Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Operating lease right-of-use assets	$ 1,379	$ 1,383
Leased property under finance leases	14,433	13,554
Current portion of obligations under operating leases	362	365
Less accumulated amortization	(8,166)	(7,907)
Long-term portion of obligations under operating leases	1,017	1,018
Leased property under finace leases, net	6,267	5,647
Total obligations under operating leases	1,379	1,383
Current portion of obligations under finance leases	384	201
Long-term portion of obligations under finance leases	1,248	707
Total obligations under finance leases	$ 1,632	$ 908

Present value of lessee's discounted obligation for lease payments from finance lease.

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
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-Name Accounting Standards Codification
-Section 45
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-Publisher FASB
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Present value of lessee's discounted obligation for lease payments from finance lease, classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
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Present value of lessee's discounted obligation for lease payments from finance lease, classified as noncurrent.

+ References

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Amount, after accumulated amortization, of right-of-use asset from finance lease.

+ References

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

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- Definition

Amount of accumulated amortization of right-of-use asset from finance lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Accounting Standards Codification
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-Paragraph 4
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-SubTopic 20
-Topic 842
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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-Publisher FASB
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Amount, before accumulated amortization, of right-of-use asset from finance lease.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Amount of lessee's right to use underlying asset under operating lease.

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