Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Additional Information (Details)

v3.19.1
Summary of Significant Accounting Policies - Additional Information (Details) - USD ($)
6 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Mar. 31, 2019
Sep. 30, 2018
Schedule Of Significant Accounting Policies [Line Items]        
Cash $ 137,347   $ 137,347 $ 597,268
Working capital deficit $ 3,108,599   3,108,599  
Offering costs charged to stockholders' equity upon completion of offering     3,252,059  
Number of shares of common stock underlying restricted stock award subject to forfeiture 60,000 65,000    
Unrecognized tax benefits $ 0   0 0
Amount accrued for payment of interest and penalties 0   0 $ 0
Offering and Private Placement | Warrants        
Schedule Of Significant Accounting Policies [Line Items]        
Warrants sold to purchase common stock $ 11,154,942 $ 11,154,942 $ 11,154,942  
Offering and Private Placement | Rights        
Schedule Of Significant Accounting Policies [Line Items]        
Rights sold for conversion into common stock 1,487,326 1,487,326