Note 3 - Related-Party Transactions (Tables)

6 Months Ended

Jun. 30, 2025

Notes Tables

Schedule of Related Party Transactions [Table Text Block]

		Original		Monthly
		Principal		Payment
Loan Description	Parties	(in millions)	Maturity Date	(in millions)	Interest Rate	Loan Purpose
Second Amended and Restated Affiliate Revolving Credit Agreement	Blue Dolphin and Subsidiaries	$15 maximum(1)	April 2026	Set-off against other obligations Borrower owes to Lender	WSJ Prime + 2.00%	Working capital
	LEH and Subsidiaries
Amended and Restated BDPL-LEH Loan Agreement	LEH	$4.0	April 2027	$0.25	12.00%	Working capital
	BDPL

Schedule of Related Party Transactions, Consolidated Balance Sheets [Table Text Block]

	June 30,		December 31,
	2025		2024
	(in thousands)
Current assets
Accounts receivable, related party	$	8,398	$	5,247
Current liabilities
Accounts payable, related party		-		-

Schedule of Outstanding Long-term Debt to Related Parties [Table Text Block]

	June 30,			December 31
	2025			2024
	(in thousands)
LEH
Amended and Restated BDPL-LEH Loan Agreement	$	4,000		$	4,000
Line of credit, related party		10,200			3,250
LEH Total		14,200			7,250
Less: Long-term debt, related party, current portion		(1,862	)		(1,459	)
Less: Line of credit, related party		(10,200	)		(3,250	)
Long-term debt, related party, net of current portion	$	2,138		$	2,541

	June 30,			December 31
	2025			2024
	(in thousands)
LEH
Amended and Restated BDPL-LEH Loan Agreement	$	711		$	1,308
Line of credit, related party		-			-
LEH Total		711			1,308
Jonathan Carroll
Guaranty fee agreements		102			129
		813			1,437
Less: Long-term debt, related party, current portion		(813	)		(1,437	)
Long-term interest payable, related party, net of current portion	$	-		$	-

Schedule of Related Party Transactions, Consolidated Statements of Operations [Table Text Block]

	Three Months Ended June 30,								Six Months Ended June 30,
	2025				2024				2025				2024
	(in thousands, except percent amounts)								(in thousands, except percent amounts)
Refinery operations
LEH	$	24,121	42.6	%	$	26,026	37.4	%	$	49,069	35.0	%	$	53,420	33.2	%
Third-Parties		31,674	56.0	%		42,522	61.0	%		89,594	63.9	%		105,043	65.4	%
Tolling and terminaling
LEH		540	1.0	%		540	0.8	%		1,080	0.8	%		1,080	0.7	%
Third-Parties		248	0.4	%		571	0.8	%		532	0.4	%		1,138	0.7	%
	$	56,583	100.0	%	$	69,659	100.0	%	$	140,275	100.0	%	$	160,681	100.0	%

	Three Months Ended June 30,				Six Months Ended June 30,
	2025		2024		2025		2024
	(in thousands)				(in thousands)
Jonathan Carroll
Guaranty Fee Agreements
Tied to First Term Loan Due 2034	$	92	$	97	$	185	$	195
Tied to NPS Term Loan Due 2031		47		50		93		100
Tied to Second Term Loan Due 2034		38		40		77		81
Tied to Blue Dolphin Term Loan Due 2051		10		10		20		20
LEH
Amended and Restated BDPL-LEH Loan Agreement		153		106		259		212
	$	340	$	303	$	634	$	608