• Filing Date: 2020-06-12
  • Form Type: 10-Q
  • Description: Quarterly report
v3.20.1
COMMITMENTS AND CONTINGENCIES (Royalty) (Details) - Sierra Mojada Property Concession [Member]
Apr. 30, 2020
USD ($)
Property Concessions By Location Of Concessions [Line Items]  
Percentage rate of net smelter return royalties 2.00%
The maximum net smelter return royalties that can be paid $ 6,875,000