Quarterly report pursuant to Section 13 or 15(d)

Liquidity Risk (Details Textual)

v2.4.0.8
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