Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands		Mar. 31, 2024	Dec. 31, 2023
CURRENT ASSETS
Cash and cash equivalents		$ 11,123	$ 18,713
Prepaid expenses and other current assets		1,122	1,591
Deposits		110	110
Inventory		28,657	24,576
Total current assets		52,838	49,290
LONG-TERM ASSETS
Total property and equipment, net		54,316	54,958
Operating lease right-of-use assets, net		100	158
Restricted cash, noncurrent		1,000	5
Surety bonds		230	230
Deferred tax assets, net		0	1,436
Total long-term assets		55,646	56,787
TOTAL ASSETS		108,484	106,077
CURRENT LIABILITIES
Current portion of lease liabilities		93	147
Income taxes payable		1,247	951
Asset retirement obligations, current portion		2,999	4,504
Accrued expenses and other current liabilities		4,079	5,084
Total current liabilities		52,535	55,425
LONG-TERM LIABILITIES
Deferred tax liabilities, net		109	0
Total long-term liabilities		7,726	9,053
TOTAL LIABILITIES		60,261	64,478
Commitments and contingencies (Note 15)
STOCKHOLDERS' EQUITY
Common stock ($0.01 par value, 20,000,000 shares authorized; 14,921,968 shares issued at March 31, 2024 and December 31, 2023) (1)	[1]	149	149
Additional paid-in capital		39,758	39,758
Retained earnings		8,316	1,692
TOTAL STOCKHOLDERS' EQUITY		48,223	41,599
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY		108,484	106,077
Nonrelated Party [Member]
CURRENT ASSETS
Accounts receivable		104	116
CURRENT LIABILITIES
Long-term debt less unamortized debt issue costs, current portion (in default)		40,581	39,440
Interest payable		1,182	2,596
Accounts payable		2,349	1,814
LONG-TERM LIABILITIES
Long-term debt, net of current portion		2,309	3,745
Long-term Interest Payable, Net of Current Portion		0	0
Related Party [Member]
CURRENT ASSETS
Accounts receivable		11,722	4,184
CURRENT LIABILITIES
Long-term debt less unamortized debt issue costs, current portion (in default)		(0)	(0)
Accounts payable		5	889
LONG-TERM LIABILITIES
Long-term debt, net of current portion		4,000	4,000
Long-term Interest Payable, Net of Current Portion		$ 1,308	$ 1,308

[1] Blue Dolphin has 2,500,000 shares of preferred stock, par value $0.10 per share, authorized. At March 31, 2024 and December 31, 2023, there were no shares of preferred stock issued and outstanding.