Note 3 - Related-party Transactions - Related Party Long-term Debt Outstanding (Details) - Related Party [Member] - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Less: Long-term debt, related party, current portion	$ 0	$ (5,211)
Less: Accrued interest payable, related party, current portion	0	4,094
Less: Accrued interest payable	0	(4,094)
Long-term debt and interest payable, related party	5,308	0
Lazarus Energy Holdings (LEH) [Member]
Long-term debt, carrying amount	5,308	9,305
Lazarus Energy Holdings (LEH) [Member] \| June LEH Note [Member]
Long-term debt, carrying amount	0	1,211
Lazarus Energy Holdings (LEH) [Member] \| BDPL-LEH Loan Agreement [Member]
Long-term debt, carrying amount	$ 5,308	$ 8,094

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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- Definition

Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

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- Definition

Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
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- Definition

Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as current. Excludes lease obligation.

+ References

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- Details

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- Details

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- Details

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- Details

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