Annual report pursuant to Section 13 and 15(d)

Mineral Leases (Details)

v3.19.3.a.u2
Mineral Leases (Details) - USD ($)
 12 Months Ended
Aug. 31, 2019
Aug. 31, 2018
Aug. 31, 2017
Beginning balance, cost $ 11,111,143 $ 11,091,388  
Additions, cost 23,800,000 19,755  
Ending balance, cost 34,911,143 11,111,143 $ 11,091,388
Accumulated Amortization
Balance, carrying amount 34,911,143 11,111,143 11,091,388
TMC Mineral Lease [Member]      
Beginning balance, cost 11,091,388 11,091,388  
Additions, cost  
Ending balance, cost 11,091,388 11,091,388 11,091,388
Accumulated Amortization
Balance, carrying amount 23,800,000 11,091,388 11,091,388
SITLA Mineral Lease [Member]      
Beginning balance, cost 19,755  
Additions, cost   19,755  
Ending balance, cost 19,755 19,755
Accumulated Amortization  
Balance, carrying amount 19,755 19,755
BLM Mineral Lease [Member]      
Beginning balance, cost  
Additions, cost 23,800,000  
Ending balance, cost 23,800,000
Accumulated Amortization
Balance, carrying amount 10,800,000
SITLA Mineral Lease [Member]      
Additions, cost    
Accumulated Amortization