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Note 5 - Segment Information (Details Textual) - USD ($) $ in Millions | 3 Months Ended | 5 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Dec. 31, 2022 | Dec. 31, 2022 | Dec. 31, 2022 | May 16, 2022
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Exxon [Member] | Oil and Gas [Member] |  |  |  |
Concentration Risk, Percentage |  |  | 68.00% |
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Glencore [Member] | CANADA |  |  |  |
Concentration Risk, Percentage | 32.00% |  |  |
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Glencore [Member] | Oil and Gas [Member] |  |  |  |
Concentration Risk, Percentage |  | 100.00% | 32.00% |
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Plains Midstream Canada [Member] | Oil and Gas [Member] | CANADA |  |  |  |
Concentration Risk, Percentage | 54.00% |  |  |
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | BP Energy Trading [Member] | Oil and Gas [Member] | CANADA |  |  |  |
Concentration Risk, Percentage | 14.00% |  |  |
Revolving Credit Facility [Member] |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  | $ 50

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