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Subsequent Events - Additional Information (Details) - USD ($)
12 Months Ended
Sep. 24, 2019
Sep. 05, 2019
Jun. 30, 2019
Jun. 30, 2019
Subsequent Event [Line Items]        
Net proceeds from sale of common stock     $ 1,000,000  
Subsequent Events | Secured Promissory Note | Private Placement        
Subsequent Event [Line Items]        
Secured note principal amount   $ 1,500,000    
Interest on the Note   11.00%    
Maturity date   Sep. 05, 2020    
Common Stock        
Subsequent Event [Line Items]        
Additional shares sold       1,491,000
Common Stock | Market Issuance Sales Agreement | Subsequent Events        
Subsequent Event [Line Items]        
Additional shares sold 146,466      
Net proceeds from sale of common stock $ 327,891      
Average sale price per share $ 2.24