Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies (Details)

v3.3.1.900
Summary of Significant Accounting Policies (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2013
Dec. 31, 2014
Deferred revenue contract period   2 years  
Current deferred financing costs $ 152   $ 190
Deferred financing costs $ 577   $ 716
Computer Equipment [Member]      
Estimated life 3 years    
Software [Member]      
Estimated life 3 years    
Lost Creek Property      
Estimated life 10 years    
Maximum | Plant enclosure and equipment      
Estimated life 20 years