Consolidated Statements of Stockholders' Equity (Deficit) (Unaudited) - 3 months ended Mar. 31, 2018 - USD ($)	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit Prior to Exploration Stage [Member]	Accumulated Deficit During Exploration Stage [Member]	Total
Balance (in shares) at Dec. 31, 2017	140,763,549
Balance at Dec. 31, 2017	$ 140,764	$ 71,152,311	$ (20,009,496)	$ (84,484,361)	$ (33,200,782)
Shares issued for consulting services (in shares)	1,500,000				1,500,000
Shares issued for consulting services	$ 1,500	58,500	0	0	$ 60,000
Stock Issued During Period, Shares, New Issues	7,625,000
Shares issued in private placement	$ 7,625	387,375	0	0	395,000
Shares issued for warrant exercise (in shares)	500,000
Shares issued for warrant exercise	$ 500	19,500	0	0	20,000
Stock option compensation expense	0	583,000	0	0	583,000
Net Loss	$ 0	0	0	(12,075,982)	(12,075,982)
Balance (in shares) at Mar. 31, 2018	150,388,549
Balance at Mar. 31, 2018	$ 150,389	$ 72,200,686	$ (20,009,496)	$ (96,560,343)	$ (44,218,764)