| In millions, except per share items | Jun-30-23 | Dec-31-22 | Sep-30-22 | Jun-30-22 | Mar-31-22 | Dec-31-21 | Sep-30-21 | Jun-30-21 |
| | 10-Q/A | S-1/A | 10-Q | 10-Q/A | 10-K | 10-K | 10-Q | 10-Q |
| CASH FLOW FROM OPERATING ACTIVITIES FROM OPERATIONS | | | | | | | | |
| Net loss | -15.2 | -14.7 | -13.1 | -2.0 | -10.3 | | -1.6 | |
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| Adjustments to reconcile net loss to net cash (used in) from operating activities | | | | | | | | |
| Depreciation, amortization, depletion, accretion and impairment | 0.3 | | 6.2 | 0.2 | 4.6 | 0.0 | 1.2 | 0.0 |
| Share-based compensation | 3.7 | 2.5 | 0.6 | 0.4 | -1.8 | | 1.2 | 0.0 |
| Bad debt | 2.1 | | | | | | | |
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| Change in fair value of derivative liability | | | | | | | | |
| Derivative expense | | | | | | | | |
| Amortization of discounts - convertible notes | | | | | | | | |
| Expense recorded for advances from related parties | | | | | | | | |
| Amortization of discount - Series C Preferred Stock | | | | | | | | |
| Changes in assets and liabilities | | | | | | | | |
| Accounts receivable | -0.7 | | 0.2 | -0.2 | 0.1 | | 0.4 | |
| Accounts receivable - related parties | -0.2 | | | | | | | |
| Receivable - Participation Agreement | 0.1 | | | | | | | |
| Inventory | 0.0 | | 0.0 | 0.0 | 0.0 | | 0.0 | |
| Prepaid expenses and other assets | 0.1 | | 0.1 | -0.6 | 0.0 | 0.0 | -0.1 | 0.0 |
| Amortization of right of use asset - operating leases | 0.0 | | 0.1 | 0.0 | 0.0 | | 0.1 | |
| Amortization of right of use asset - financing leases | 0.0 | | | | | | | |
| Deferred drilling costs | -0.3 | | | | | | | |
| Contribution from BitNile Metaverse, Inc. | | | 3.9 | 2.6 | 0.6 | | 2.8 | |
| Operating lease expense | 0.0 | | | 0.0 | | | | |
| Accrued payable and accrued liabilities | 0.8 | | -0.3 | -0.6 | 0.6 | -0.1 | -3.1 | 0.0 |
| Total adjustments | 12.4 | | 10.5 | 1.3 | 9.5 | 0.1 | 0.9 | 1.0 |
| Net cash used in operating activities | -2.8 | -12.2 | -2.6 | -0.7 | -0.8 | -0.2 | 0.4 | -0.1 |
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| CASH FLOWS FROM INVESTING ACTIVITIES | | | | | | | | |
| Additions of oil and gas properties | -0.9 | | | | | | | |
| Proceeds from the sale of oil and gas properties | | | 1.0 | 1.0 | | | | |
| Purchase of fixed assets | 0.0 | | | -0.6 | 0.0 | | | |
| Net cash (used in) provided by investing activities | -0.9 | | -0.1 | 0.4 | 0.9 | 0.4 | -0.4 | 0.1 |
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| CASH FLOWS FROM FINANCING ACTIVITIES | | | | | | | | |
| (Decrease) in cash overdraft | | | | 0.1 | -0.1 | | | |
| Repayments of advances from related parties | -0.1 | | | | | | | |
| Advances from related parties | 2.7 | | | | | | | |
| Repayment of convertible note | -0.6 | | | | | | | |
| Proceeds from Series C Preferred Stock, net | 1.1 | | | | | | | |
| Proceeds from long-term debt | | | 0.1 | 0.1 | | | | |
| Repayment of long-term debt and note payable | 0.0 | | | | | | | |
| Payment of lease liability | 0.0 | | | | | | | |
| Net cash provided by financing activities | 3.1 | | 3.1 | 0.3 | -0.1 | | 0.0 | |
| NET (DECREASE) IN CASH AND RESTRICTED CASH | -0.6 | | | -0.1 | | | | |
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| SUPPLEMENTAL DISCLOSURES | | | | | | | | |
| Cash paid for interest expense | 0.2 | | 0.0 | | | | | |
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| Cash paid for income taxes | | | | | | | | |
| SUMMARY OF NON-CASH ACTIVITIES: | | | | | | | | |
| Fixed assets acquired for long-term debt and accounts payable | 0.1 | | | | | | | |