Note 9 - Third-party Long-term Debt - Loan Agreements Summary (Details) - USD ($)		9 Months Ended
		Sep. 30, 2025	Jan. 01, 2025	Jan. 01, 2023
LE Term Loan Due 2034 [Member] | Veritex Community Bank [Member]
Original Principal			$ 25,000,000
LE Term Loan Due 2034 [Member] | Veritex Community Bank [Member] | Nonrelated Party [Member]
Original Principal	[1],[2]	$ 25,000,000
Maturity date	[2]	Jun. 30, 2034
Monthly principal and interest payment	[2]	$ 300,000
Interest rate, variable	[2]	2.75%
LRM Term Loan Due 2034 [Member] | Veritex Community Bank [Member]
Original Principal				$ 10,000,000
LRM Term Loan Due 2034 [Member] | Veritex Community Bank [Member] | Nonrelated Party [Member]
Original Principal	[2]	$ 10,000,000
Maturity date	[2]	Dec. 31, 2034
Monthly principal and interest payment	[2]	$ 100,000
Interest rate, variable	[2]	2.75%
NPS Term Loan Due 2031 [Member] | Greater Nevada Credit Union (GNCU) [Member] | Nonrelated Party [Member]
Original Principal	[3],[4]	$ 10,000,000
Maturity date	[4]	Oct. 30, 2031
Monthly principal and interest payment	[4]	$ 100,000
Interest rate, variable	[4]	5.75%
Blue Dolphin Term Loan Due 2051 [Member] | Small Business Administration SBA [Member] | Nonrelated Party [Member]
Original Principal	[5]	$ 2,000,000
Maturity date	[5]	Jun. 30, 2051
Monthly principal and interest payment	[5]	$ 10,000.00
Interest rate, variable	[5]	3.75%
LE Term Loan Due 2050 [Member] | Small Business Administration SBA [Member] | Nonrelated Party [Member]
Original Principal	[6]	$ 150,000
Maturity date	[6]	Aug. 31, 2050
Monthly principal and interest payment	[6]	$ 700.0000
Interest rate, variable	[6]	3.75%
NPS Term Loan Due 2050 [Member] | Small Business Administration SBA [Member] | Nonrelated Party [Member]
Original Principal	[6]	$ 150,000
Maturity date	[6]	Aug. 31, 2050
Monthly principal and interest payment	[6]	$ 700.0000
Interest rate, variable	[6]	3.75%
Equipment Loan Due 2025 [Member] | Texas First Rentals, LLC [Member] | Nonrelated Party [Member]
Original Principal	[7]	$ 70,000.00
Maturity date	[7]	Oct. 30, 2025
Monthly principal and interest payment	[7]	$ 1,300.0000
Interest rate, variable	[7]	4.50%
Equipment Loan Due 2031 [Member] | Ritchie Bros. Financial Services [Member] | Nonrelated Party [Member]
Original Principal	[8]	$ 138,000
Maturity date	[8]	Mar. 31, 2031
Monthly principal and interest payment	[8]	$ 2,800.0000
Interest rate, variable	[8]	12.70%

[1] Our secured loan agreements with Veritex are subject to certain financial and non-financial covenants. As of June 30, 2025, LE and LRM were in default related to financial covenants under the LE Term Loan Due 2034 and LRM Term Loan Due 2034. With respect to non-financial covenants, we are required to have a balance of $1.0 million in a payment reserve account held by Veritex. At June 30, 2025 and December 31, 2024 restricted cash totaled $1.0 million.

[2] Our secured loan agreements with Veritex are subject to certain financial and non-financial covenants. As of September 30, 2025, LE and LRM were in default related to financial covenants under the LE Term Loan Due 2034 and LRM Term Loan Due 2034. With respect to non-financial covenants, we are required to have a balance of $1.0 million in a payment reserve account held by Veritex. At September 30, 2025 and December 31, 2024 restricted cash totaled $1.0 million.

[3] Loan requires monthly interest-only payments for the first thirty-six (36) months. Afterwards, principal and interest payments are due monthly through loan maturity. First principal payment commenced in November 2024. As of June 30, 2025 and the filing date of this report, the NPS Term Loan Due 2031 was in default due to non-financial covenant violations.

[4] Loan requires monthly interest-only payments for the first thirty-six (36) months. Afterwards, principal and interest payments are due monthly through loan maturity. First principal payment commenced in November 2024. As of September 30, 2025 and the filing date of this report, the NPS Term Loan Due 2031 was in default due to non-financial covenant violations.

[5] Original principal amount was $0.5 million; the Blue Dolphin Term Loan Due 2051 was modified to increase the principal amount by $1.5 million. Payments deferred for thirty (30) months; first payment commenced in November 2023; interest accrued during deferral period; loan not forgivable.

[6] Payments deferred for thirty (30) months; first payment commenced in February 2023; interest accrued during deferral period; loan not forgivable.

[7] In October 2020, LE entered into the Equipment Loan Due 2025 to purchase a backhoe; the backhoe is used at the Nixon facility. The Equipment loan was paid in full in November 2025.

[8] In March 2025, LE entered into the Equipment Loan Due 2031 to purchase mobile offices; the mobile offices are used at the Nixon facility.