XML 54 R40.htm IDEA: XBRL DOCUMENT v3.4.0.3
Commitments and Contingencies Claim Rentals (Details)
 3 Months Ended 9 Months Ended
Mar. 31, 2016
USD ($)
Mar. 31, 2016
USD ($)
Tetlin Lease [Member]    
Claim Rentals [Line Items]    
Contractual Annual Exploration Costs $ 350,000 $ 350,000
Gold Properties [Member]    
Claim Rentals [Line Items]    
Annual claim rentals $ 93,485 $ 93,485
Native Village of Tetlin Land [Member]    
Claim Rentals [Line Items]    
Initial and Renewal Terms of Leases and Concessions on Undeveloped Acreage 10 years 10 years