Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation - Schedule of Recognized Stock-Based Compensation (Details)

v3.20.1
Stock-Based Compensation - Schedule of Recognized Stock-Based Compensation (Details) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]    
Share-based compensation expense $ 2,985,278 $ 3,833,088
Research and Development [Member]    
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]    
Share-based compensation expense 973,000 896,000
General and Administrative [Member]    
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]    
Share-based compensation expense $ 2,012,000 $ 2,937,000