v3.26.1
Note 2 - Summary of Significant Accounting Policies - Schedule of Property and Equipment Movement (Details) - USD ($)
 6 Months Ended 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Depreciation $ 505,000 $ 364,000  
Drilling rig and related equipment, net of accumulated depreciation of $4,022 and $3,521 (see Note 2J) 6,736,000   $ 5,240,000
Drilling Rig and Related Equipment [Member]      
Balance 8,676,000 7,585,000 7,585,000
Asset Additions 2,230,000   1,143,000
Asset Disposals for Self-Consumption (240,000)   (52,000)
Balance 3,521,000 2,807,000 2,807,000
Depreciation 501,000   714,000
Balance 4,022,000   3,521,000
Drilling rig and related equipment, net of accumulated depreciation of $4,022 and $3,521 (see Note 2J) 6,644,000   5,155,000
Balance 10,666,000   8,676,000
I - 35 Drilling Rig [Member] | Drilling Rig and Related Equipment [Member]      
Balance 6,700,000 6,495,000 6,495,000
Asset Additions 1,302,000   205,000
Asset Disposals for Self-Consumption 0   0
Balance 3,172,000 2,538,000 2,538,000
Depreciation 374,000   634,000
Balance 3,546,000   3,172,000
Drilling rig and related equipment, net of accumulated depreciation of $4,022 and $3,521 (see Note 2J) 4,456,000   3,528,000
Balance 8,002,000   6,700,000
Spare Parts [Member] | Drilling Rig and Related Equipment [Member]      
Balance 1,007,000 747,000 747,000
Asset Additions 372,000   312,000
Asset Disposals for Self-Consumption (240,000)   (52,000)
Balance 0 0 0
Depreciation 0   0
Balance 0   0
Drilling rig and related equipment, net of accumulated depreciation of $4,022 and $3,521 (see Note 2J) 1,139,000   1,007,000
Balance 1,139,000   1,007,000
Other Separate Asset [Member] | Drilling Rig and Related Equipment [Member]      
Balance 969,000 343,000 343,000
Asset Additions 556,000   626,000
Asset Disposals for Self-Consumption 0   0
Balance 349,000 $ 269,000 269,000
Depreciation 127,000   80,000
Balance 476,000   349,000
Drilling rig and related equipment, net of accumulated depreciation of $4,022 and $3,521 (see Note 2J) 1,049,000   620,000
Balance $ 1,525,000   $ 969,000