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Thin Film Japan Distribution Agreement (Details)
12 Months Ended
Dec. 31, 2015
USD ($)
Installment
Dec. 31, 2014
USD ($)
Feb. 28, 2013
USD ($)
Thin Film Japan Distribution Agreement [Abstract]      
Payment obligation under termination agreement $ 1,200,000    
Number of installment payments | Installment 6    
Periodic payment under termination agreement $ 200,000    
Deferred revenues 105,000 $ 112,000 $ 2,379,000
Development revenue $ 1,179,000