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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 |

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