Liquidity (Details Narrative) - USD ($)			12 Months Ended
	Apr. 04, 2016	Feb. 04, 2016	Dec. 31, 2016	Dec. 31, 2015
Working capital deficit			$ 4,300,000	$ 8,900,000
Decrease in working capital deficit			4,600,000
Increase in cash and cash equivalents			2,444,000	(4,705,000)
Decrease in accounts payable and accrued liabilities			2,000,000
Net proceeds from direct offering	$ 1,200,000	$ 800,000
Net proceeds from sale of common stock			14,472,000	$ 6,393,000
January 19, 2017 [Member]
Net proceeds from direct offering			13,400,000
February 9, 2017 [Member] | RCF Loan [Member]
Repayment of remaining outstanding amount			5,500,000
February 28, 2017 [Member]
Cash balances			10,400,000
Aspire Capital [Member]
Net proceeds from sale of common stock			5,800,000
Laramide Resources Ltd [Member] | January 5, 2017 [Member]
Proceeds from sale properties			2,200,000
Common Stock Purchase Agreement [Member]
Net proceeds from direct offering			6,700,000
Common Stock Purchase Agreement [Member] | Aspire Capital [Member]
Net proceeds from sale of common stock			6,700,000
Available for future sales			$ 4,300,000