Annual report pursuant to Section 13 and 15(d)

Equity Investment (Details Textual)

v2.4.0.8
Equity Investment (Details Textual) (USD $)
In Thousands, unless otherwise specified
1 Months Ended 12 Months Ended
Jun. 30, 2013
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Project Expenditure Percentage   25.00%    
Decreases In Equity Method Investment Ownership Percentage     19.10%  
Write off of investments $ (969) $ 1,006 $ 0 $ 0
Impairment of investment   $ 37    
Crosshair Energy Corporation [Member]
       
Project Expenditure Percentage   75.00%