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Revenue Recognition (Details) - USD ($)
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Revenues $ 101,209 $ 207,825
Licensing fees – royalty revenue [Member]    
Revenues 101,209,000 204,825,000
Initiation fees [Member]    
Revenues 0 3,000,000
Products transferred at a point in time [Member]    
Revenues 0 3,000,000
Products and services transferred over time [Member]    
Revenues $ 101,209,000 $ 204,825,000