Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events (Details)

v3.19.3
Subsequent Events (Details) - USD ($)
1 Months Ended 9 Months Ended
Nov. 08, 2019
Sep. 30, 2019
Sep. 30, 2018
Subsequent Event [Line Items]      
Proceeds from the sale of stock   $ 23,610,642
Subsequent Event [Member]      
Subsequent Event [Line Items]      
Shares of restricted common stock related to fully vested shares of restricted stock issued under 2017 Equity Incentive Plan 30,000    
Subsequent Event [Member] | H.C. Wainwright [Member]      
Subsequent Event [Line Items]      
Proceeds from the sale of stock $ 859,000    
Sale of common stock 494,820