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Significant Accounting Polices - Additional Information (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Jun. 30, 2019
Mar. 31, 2019
Jan. 01, 2019
Accounting Policies [Abstract]              
Income tax expense (benefit) $ 0 $ 0 $ 0 $ 0      
Operating lease liability 492,202   492,202       $ 400,000
Operating lease right of use asset $ 500,000   $ 500,000   $ 200,000 $ 400,000 $ 400,000