Mineral Properties and Interests (Details Textual) - USD ($)	3 Months Ended
	Mar. 31, 2016	Dec. 31, 2015	Apr. 30, 2014	Feb. 20, 2014
Mineral properties and interests (Textual)
Claims fees (per claim)	$ 155
Kiewit reclamation bond, Amount				$ 1,348,000
Refunded reclamation bonds			$ 92,705
Total reclamation bonds posted amount	$ 1,418,547	$ 1,418,070