Significant Accounting Policies (Details) - USD ($)	Jan. 31, 2020	Jan. 31, 2019
Level 1 [Member]
Schedule of Investment [Abstract]
Investment in gold	$ 198,479,752	$ 154,177,919
Total	198,479,752	154,177,919
Level 2 [Member]
Schedule of Investment [Abstract]
Investment in gold
Total
Level 3 [Member]
Schedule of Investment [Abstract]
Investment in gold
Total