ROYALTY AGREEMENT, UNALLOCATED RESERVE AND DISTRIBUTIONS (Details) - USD ($)		3 Months Ended		9 Months Ended
	Oct. 13, 2023	Oct. 31, 2023	Oct. 31, 2022	Oct. 31, 2023	Oct. 31, 2022	Jan. 31, 2023
Unallocated Cash and Securities portion of Unallocated Reserve
Cash and cash equivalents		$ 22,912,715		$ 22,912,715		$ 13,966,500
Distribution payable		(4,592,003)	$ (4,592,003)	(4,592,003)	$ (4,592,003)
Unallocated cash and cash equivalents		18,320,712		18,320,712		$ 13,966,500
Reconciliation of Trust's Unallocated Reserve
Beginning Balance		21,644,696	14,866,946	11,438,217	30,794,752
Net income		4,086,066	(413,692)	14,292,545	8,324,122
Distributions declared		(4,592,003)		(4,592,003)	(24,665,620)
Ending Balance		$ 21,138,759	$ 14,453,254	$ 21,138,759	$ 14,453,254
Distributions declared per unit (in dollars per unit)	$ 0.35	$ 0.3500	$ 0.00	$ 0.3500	$ 1.8800
Unallocated Reserve member
Reconciliation of Trust's Unallocated Reserve
Beginning Balance		$ 21,644,693	$ 14,866,943	$ 11,438,214	$ 30,794,749
Net income		4,086,066	(413,692)	14,292,545	8,324,122
Distributions declared		(4,592,003)		(4,592,003)	(24,665,620)
Ending Balance		21,138,756	14,453,251	21,138,756	14,453,251
Trust Corpus
Reconciliation of Trust's Unallocated Reserve
Beginning Balance		3	3	3	3
Ending Balance		$ 3	$ 3	$ 3	$ 3