Commitments and Contingencies - Schedule of Royalty Payable (Details)	Apr. 30, 2021 $ / T
FOB Mine Value Per Ton Range One [Member]
Percentage Royalty	5.00%
FOB Mine Value Per Ton Range One [Member] \| Minimum [Member]
FOB Mine Value per Ton	0.00
FOB Mine Value Per Ton Range One [Member] \| Maximum [Member]
FOB Mine Value per Ton	50.00
FOB Mine Value Per Ton Range Two [Member]
Percentage Royalty	7.00%
FOB Mine Value Per Ton Range Two [Member] \| Minimum [Member]
FOB Mine Value per Ton	50.01
FOB Mine Value Per Ton Range Two [Member] \| Maximum [Member]
FOB Mine Value per Ton	100.00
FOB Mine Value Per Ton Range Three [Member]
Percentage Royalty	9.00%
FOB Mine Value Per Ton Range Three [Member] \| Minimum [Member]
FOB Mine Value per Ton	100.01
FOB Mine Value Per Ton Range Three [Member] \| Maximum [Member]
FOB Mine Value per Ton	150.00
FOB Mine Value Per Ton Range Four [Member]
FOB Mine Value per Ton	150.01
Percentage Royalty	10.00%