Annual report pursuant to Section 13 and 15(d)

Collaborative Research and Development Agreements (Details)

v2.4.0.6
Collaborative Research and Development Agreements (Details) (USD $)
3 Months Ended 12 Months Ended 1 Months Ended 3 Months Ended 8 Months Ended 12 Months Ended 12 Months Ended
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2011
Sep. 30, 2011
Jun. 30, 2011
Mar. 31, 2011
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Sep. 30, 2012
Shell [Member]
Nov. 30, 2007
Shell [Member]
Dec. 31, 2012
Shell [Member]
Aug. 31, 2012
Shell [Member]
FTE
Dec. 31, 2012
Shell [Member]
gal
Dec. 31, 2011
Shell [Member]
Dec. 31, 2010
Shell [Member]
Aug. 31, 2012
Shell [Member]
United States [Member]
Aug. 31, 2012
Shell [Member]
Hungary [Member]
Dec. 31, 2012
Arch [Member]
Dec. 31, 2011
Arch [Member]
Collaborative Research and Development Agreements (Textual) [Abstract]                                            
Term of collaborative research and development agreement (in years)                         5 years                  
Amount of new shell agreement requires Shell pay                       $ 7,500,000                    
Collection of agreement                           7,500,000                
Milestone payment under Shell Research Agreement                               3,000,000            
Liquid fuel (gallons)                               30,000,000            
Period of research agreement with shell (years)                               10 years            
Collaborative agreements exclusively right period (years)                               3 years            
Research agreement to fund                                     460,000 399,000    
Number of FTEs assigned to collaboration (FTE)                             116              
Revenue from exclusivity fee                         20,000,000                  
Payment from shell under the shell research agreement                           3,000,000   3,000,000            
Milestone revenues recognized                               0 5,600,000 7,400,000        
Reimbursements of licensing costs                               424,000 199,000 1,400,000        
Royalties earned                                         127,000 752,000
Sales revenue $ 6,834,000 $ 7,140,000 $ 6,783,000 $ 15,167,000 $ 15,493,000 $ 12,199,000 $ 8,397,000 $ 12,932,000 $ 35,924,000 $ 49,021,000 $ 32,835,000