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Funding Arrangements - Additional Information (Details) - Grant - USD ($)
$ in Millions
1 Months Ended 12 Months Ended
Jun. 30, 2017
Dec. 31, 2020
Dec. 31, 2019
Research And Development Arrangement Contract To Perform For Others [Line Items]      
Research grant, description and terms   In June 2017, the Company was awarded a Small Business Innovation Research (“SBIR”) grant by NIH in the amount of $3.0 million. This grant was effective from September 15, 2017 to March 30, 2020 and in April 2020, the Company received an extension through March 31, 2021.  
Research revenue grant awarded $ 3.0    
Grant revenue received   $ 0.9 $ 1.0
Research related income recognized   $ 0.6 $ 0.9