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License Agreements and Grants - National Institute of Health Grant (Details) - USD ($)
1 Months Ended 3 Months Ended 62 Months Ended
Feb. 28, 2015
Mar. 31, 2020
Mar. 31, 2019
Mar. 31, 2020
Research and Development Arrangement, Contract to Perform for Others [Line Items]        
Cumulative amount awarded       $ 1,300,000
National Institute of Health Grant        
Research and Development Arrangement, Contract to Perform for Others [Line Items]        
Grant period 5 years      
Total grant funding $ 5,000,000.0 $ 0 $ 100,000