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Thin Film Japan Distribution Agreement (Details) (USD $)
 1 Months Ended 3 Months Ended 9 Months Ended
Feb. 28, 2013
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Installment
Sep. 30, 2013
Jun. 30, 2014
Dec. 31, 2013
Dec. 31, 2004
Thin Film Japan Distribution Agreement [Abstract]                
License fee recorded as deferred revenue $ 2,379,000 $ 168,000   $ 168,000     $ 212,000 $ 1,500,000
Period before post commercialization in case of termination for proportional refund       3 years        
Milestone payments received       1,250,000        
Number of installment payments       6        
Periodic payment under termination agreement       200,000        
Deferred revenues 2,379,000 168,000   168,000     212,000 1,500,000
Termination fee obligation 1,200,000         0    
Development revenue $ 1,179,000 $ 0 $ 0 $ 0 $ 1,179,000