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Stockholders' Equity (Details) (USD $) | 0 Months Ended | 1 Months Ended | 6 Months Ended | 0 Months Ended | 6 Months Ended | 0 Months Ended |
--- | --- | --- | --- | --- | --- | --- | ---
May 14, 2014 | Apr. 30, 2014 | Jun. 30, 2014 | Jun. 30, 2013 | Jan. 02, 2014 Common Stock [Member] | Jun. 30, 2014 Common Stock [Member] | Jun. 30, 2014 7.5% Series B Convertible Preferred Stock [Member] | Jun. 26, 2014 Acquisition Of Five Vacant Lots [Member] | Mar. 07, 2014 American Flat Road Property [Member] | Feb. 26, 2014 American Flat Road Property [Member] acre | Jun. 26, 2014 Buildings and Mining Claims [Member] | Mar. 07, 2014 Buildings and Mining Claims [Member] | Feb. 26, 2014 Buildings and Mining Claims [Member]
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Shares issued upon conversion of convertible preferred stock |  |  |  |  |  | 738,169 |  |  |  |  |  |  |
Conversion of preferred stock to common stock, shares |  |  |  |  |  |  | 1,218 |  |  |  |  |  |
Common stock declared and issued |  |  |  |  | 1,151,142 |  |  |  |  |  |  |  |
Restricted stock awards vested in period |  |  | 777,000 |  |  |  |  |  |  |  |  |  |
Stock issued during period for purchase of assets (in shares) |  |  |  |  |  |  |  | 88,888 | 543,500 |  |  | 436,500 |
Purchase of properties, plant and equipment |  |  |  |  |  |  |  | $ 149,332 |  | $ 1,087,000 | $ 873,000 |  |
Area of land purchased (in acres) |  |  |  |  |  |  |  |  |  | 78 |  |  |
Acquisition of property |  |  |  |  |  |  |  |  |  | 1,107,000 |  |  |
Payments to acquire land |  |  |  |  |  |  |  |  |  | 20,000 |  |  |
Acquisition of building and mining claims |  |  |  |  |  |  |  |  |  |  |  |  | 893,000
Payment to acquire buildings and mining claims |  |  |  |  |  |  |  |  |  |  | 20,000 |  |
Shares underwritten in public offering (in shares) | 7,475,000 |  |  |  |  |  |  |  |  |  |  |  |
Price of shares underwritten (in usd per share) | $ 1.59 |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from issuance of common stock, net of expenses | 11,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Purchase of land and building |  | 425,000 | 2,200,000 |  |  |  |  |  |  |  |  |  |
Cash paid for purchase of properties, plant and equipment |  | 25,000 | 1,450,794 | 1,001,136 |  |  |  |  |  |  |  |  |
Shares issued for payment of debt issuance costs (in shares) |  |  | 137,105 |  |  |  |  |  |  |  |  |  |
Shares issued for payment of debt issuance costs, value |  |  | $ 274,210 |  |  |  |  |  |  |  |  |  |

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