Stockholders' Equity (Details) - USD ($)
6 Months Ended
Jan. 29, 2015
Jun. 30, 2015
Class of Stock [Line Items]    
Restricted stock awards vested in period   60,000
Payments to acquire mining claims   $ 20,500
Restricted common shares issued towards purchase of mining claims   36,145
Common Stock    
Class of Stock [Line Items]    
Shares issued upon conversion of convertible preferred stock   30,303
Common stock dividends declared and issued (in shares)   2,587,352
7.5% Series B Convertible Preferred Stock    
Class of Stock [Line Items]    
Conversion of preferred stock to common stock, shares   50
Additional Land Lots    
Class of Stock [Line Items]    
Stock issued during period for purchase of assets (in shares) 15,000  
Purchase of properties, plant and equipment $ 16,040  
Termination of Agreement to Purchase Building    
Class of Stock [Line Items]    
Payments to acquire buildings   $ 34,000
Restricted stock | Termination of Agreement to Purchase Building | Common Stock    
Class of Stock [Line Items]    
Purchase of properties, plant and equipment   $ 388,000
Restricted shares returned and canceled (in shares)   235,151