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Summary of Significant Accounting Policies (Details) - USD ($)
 1 Months Ended 3 Months Ended 9 Months Ended
Sep. 26, 2019
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Sep. 30, 2020
Dec. 31, 2019
Summary of Significant Accounting Policies (Details) [Line Items]            
Description of reverse stock split As a result of the reverse stock split, every 4 shares of issued and outstanding common stock were converted into 1 share of issued and outstanding common stock, with all fractional shares rounded up to the nearest whole share, and the Company’s authorized share of common stock were reduced from 200,000,000 to 50,000,000 shares. All share and per share amounts have been retroactively restated to reflect this reverse stock split.          
Incurred negative operating cash flows         $ 20,900,000  
Accumulated deficit   $ 158,600,000     158,600,000  
Cash and short term investments   123,100,000     123,100,000  
Received exercise of warrants   1,567,030 $ 2,577,103 $ 3,042,173 7,186,306  
Additional exercise of options         636,518  
Short-term investments   $ 115,593,750     115,593,750 $ 80,164,823
Unrealized loss         290,973  
Warrants [Member]            
Summary of Significant Accounting Policies (Details) [Line Items]            
Proceeds from issuance of common stock         $ 19,816,597