Annual report pursuant to Section 13 and 15(d)

Liquidity Risk (Details Textual)

v2.4.0.8
Liquidity Risk (Details Textual)
1 Months Ended 12 Months Ended 1 Months Ended 0 Months Ended 1 Months Ended
Dec. 18, 2013
USD ($)
Feb. 23, 2012
Dec. 31, 2013
USD ($)
Dec. 31, 2012
USD ($)
Dec. 31, 2011
USD ($)
Dec. 31, 2013
CAD
Oct. 23, 2013
Private Placement [Member]
Dec. 20, 2013
Private Placement [Member]
USD ($)
Oct. 15, 2013
Sweetwater IDR Bond [Member]
USD ($)
Oct. 23, 2013
Sweetwater IDR Bond [Member]
USD ($)
Jun. 24, 2013
RMBAH First Credit Facility [Member]
USD ($)
Dec. 19, 2013
State Bond Loan [Member]
USD ($)
Oct. 23, 2013
State Bond Loan [Member]
USD ($)
Proceeds from Issuance of Long-term Debt                 $ 34,000,000 $ 34,000,000 $ 20,000,000    
Proceeds from debt financing     75,100,000 0 0             5,000,000 5,000,000
Proceeds from Issuance of Private Placement $ 5,100,000                        
Stock Issued During Period, Shares, New Issues 4,709,089 17,250,000         4,700,000            
Share per price $ 1.10         1.44   $ 1.10