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Financial Commitments & Contingencies and Key License Agreements - Summary of Operating Lease Term and Discount Rate (Details)
Sep. 30, 2020
Dec. 31, 2019
Commitments and Contingencies Disclosure [Abstract]    
Weighted Average Remaining Lease Term 1 year 9 months 18 days 2 years 6 months
Weighted Average Discount Rate 7.80% 7.80%