Note 2 - Summary of Significant Accounting Policies - Schedule of Partnership's Receivables (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025	Dec. 31, 2024
Total Receivables	$ 27,012	$ 16,481	$ 24,785
Nonrelated Party [Member]
Accounts receivable	15,025	13,968	19,241
Related Party [Member]
Accounts receivable	11,987	2,513	5,544
Trade Accounts Receivable [Member]
Accounts receivable	14,882	13,810	19,120
Other Receivables [Member]
Accounts receivable	$ 143	$ 158	$ 121

The total amount due to the entity within one year of the balance sheet date (or one operating cycle, if longer) from outside sources, including trade accounts receivable, notes and loans receivable, as well as any other types of receivables, net of allowances established for the purpose of reducing such receivables to an amount that approximates their net realizable value.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 852
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481372/852-10-55-10

Name:	us-gaap_ReceivablesNetCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant