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Note 2 - Summary of Significant Accounting Policies (Details Textual) - USD ($)		6 Months Ended		12 Months Ended
	Mar. 12, 2020	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025	Mar. 31, 2025	Jun. 07, 2023
Common Stock, Par or Stated Value Per Share (in dollars per share)		$ 0.01		$ 0.01		$ 0.01
Oil and Gas, Full Cost Method, Property and Equipment, after Accumulated Depletion		$ 33,199,000		$ 27,673,000
Financing Receivable, after Allowance for Credit Loss, Current		0		8,000
Drilling Rig and Related Equipment [Member]
Payments to Acquire Oil and Gas Property and Equipment	$ 5,600,000	2,230,000
Property, Plant and Equipment, Useful Life (Year)	10 years
Property, Plant, and Equipment, Self Consumption Disposals		240,000		52,000
Drilling Rig and Related Equipment [Member] \| Spare Parts [Member]
Payments to Acquire Oil and Gas Property and Equipment	$ 540,000	372,000
Property, Plant, and Equipment, Self Consumption Disposals		240,000		52,000
Drilling Rig and Related Equipment [Member] \| Other Separate Asset [Member]
Payments to Acquire Oil and Gas Property and Equipment	$ 48,000	556,000
Property, Plant, and Equipment, Self Consumption Disposals		(0)		(0)
Drilling Rig and Related Equipment [Member] \| I - 35 Drilling Rig [Member]
Payments to Acquire Oil and Gas Property and Equipment		1,302,000
Property, Plant, and Equipment, Self Consumption Disposals		$ (0)		$ (0)
Officer [Member]
Financing Receivable, after Allowance for Credit Loss, Current					$ 30,000
Loan Receivable, Monthly Principal Payment					$ 2,500
Share-Based Payment Arrangement, Option [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)		28,956,325	31,711,325
Warrant [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)		189,846,035	17,676,754