Subsequent Events	3 Months Ended
Apr. 30, 2024
Subsequent Events [Abstract]
Schedule of Subsequent Events [Table Text Block]	Note 15. Subsequent Events On May 26, 2024, the Illinois General Assembly passed the Safety and Aid for the Environment in Carbon Capture and Sequestration Act (Senate Bill 1289), which the governor is expected to sign. The new legislation imposes additional safety, environmental and other requirements on obtaining permits and approvals for carbon capture and sequestration facilities in Illinois, including CO₂ pipelines. Under the new legislation, we believe that the Illinois Commerce Commission will be required to dismiss our pending application for a certificate of authority under the CO₂ Act, and we will be required to refile our application complying with the requirements of the new legislation. Further, the new legislation imposes a moratorium on the issuance of new certificates of authority for the construction of CO₂ pipelines until the earlier of the date proposed federal CO₂ pipeline safety standards are finalized by the Pipeline and Hazardous Materials Safety Administration (PHMSA) or, subject to certain other conditions, July 1, 2026. The Company is currently reviewing Senate Bill 1289 for its impact on the timing and other aspects of the Company’s proposed pipeline and carbon sequestration project and will continue to monitor future developments.

Subsequent Events

3 Months Ended

Apr. 30, 2024

Schedule of Subsequent Events [Table Text Block]

Note 15. Subsequent Events

On May 26, 2024, the Illinois General Assembly passed the Safety and Aid for the Environment in Carbon Capture and Sequestration Act (Senate Bill 1289), which the governor is expected to sign. The new legislation imposes additional safety, environmental and other requirements on obtaining permits and approvals for carbon capture and sequestration facilities in Illinois, including CO₂ pipelines. Under the new legislation, we believe that the Illinois Commerce Commission will be required to dismiss our pending application for a certificate of authority under the CO₂ Act, and we will be required to refile our application complying with the requirements of the new legislation. Further, the new legislation imposes a moratorium on the issuance of new certificates of authority for the construction of CO₂ pipelines until the earlier of the date proposed federal CO₂ pipeline safety standards are finalized by the Pipeline and Hazardous Materials Safety Administration (PHMSA) or, subject to certain other conditions, July 1, 2026. The Company is currently reviewing Senate Bill 1289 for its impact on the timing and other aspects of the Company’s proposed pipeline and carbon sequestration project and will continue to monitor future developments.