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Fair Value Measurements - Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - Fair Value, Measurements, Recurring - USD ($)
Mar. 31, 2020
Dec. 31, 2019
Assets    
Cash equivalents $ 12 $ 698,807
Assets, Fair Value Disclosure 12 698,807
Level 1    
Assets    
Cash equivalents 12 698,807
Assets, Fair Value Disclosure 12 698,807
Level 2    
Assets    
Cash equivalents 0 0
Assets, Fair Value Disclosure 0 0
Level 3    
Assets    
Cash equivalents 0 0
Assets, Fair Value Disclosure $ 0 $ 0