| 
           Liquidity Risk (Details Textual) 
        Share data in Millions, except Per Share data, unless otherwise specified  | 
        1 Months Ended | 6 Months Ended | 1 Months Ended | 0 Months Ended | 1 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 
           Dec. 19, 2013
 
          USD ($) 
         | 
        
           Jun. 30, 2014
 
          USD ($) 
         | 
        
           Jun. 30, 2013
 
          USD ($) 
         | 
        
           Jun. 30, 2014
 
          CAD 
         | 
        
           Dec. 19, 2013
 
          Private Placement [Member] 
         | 
        
           Oct. 15, 2013
 
          Sweetwater IDR Bond [Member]
 
          USD ($) 
         | 
        
           Oct. 23, 2013
 
          Sweetwater IDR Bond [Member]
 
          USD ($) 
         | 
        
           Mar. 14, 2014
 
          State Bond Loan [Member]
 
          USD ($) 
         | 
        
           Dec. 19, 2013
 
          State Bond Loan [Member]
 
          USD ($) 
         | 
        
           Mar. 14, 2014
 
          RMBAH First Credit Facility [Member]
 
          USD ($) 
         | 
        
           Jun. 24, 2013
 
          RMBAH First Credit Facility [Member]
 
          USD ($) 
         | 
      |
| Liquidity Risk [Line Items] | |||||||||||
| Proceeds from Issuance of Long-term Debt | $ 34,000,000 | $ 34,000,000 | $ 20,000,000 | ||||||||
| Proceeds from debt financing | 1,500,000 | 25,000,000 | 6,500,000 | 5,000,000 | 1,500,000 | ||||||
| Proceeds from Issuance of Private Placement | $ 5,100,000 | ||||||||||
| Stock Issued During Period, Shares, New Issues | 4.7 | ||||||||||
| Share per price | $ 1.10 | 1.21 | |||||||||