Annual report pursuant to Section 13 and 15(d)

Long-Term Debt - Kingston Diversified Holdings LLC Agreement - Additional Information (Details)

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Long-Term Debt - Kingston Diversified Holdings LLC Agreement - Additional Information (Details) - USD ($)
12 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Debt Instrument [Line Items]    
Letter of credit $ 750,000  
Kingston Line of Credit    
Debt Instrument [Line Items]    
Letter of credit 0 $ 0
Kingston Line of Credit | Maximum    
Debt Instrument [Line Items]    
Credit line maximum 10,000,000  
Kingston Line of Credit | Minimum    
Debt Instrument [Line Items]    
Credit line maximum $ 2,000,000  
Kingston Line of Credit | Series B Convertible Preferred Stock    
Debt Instrument [Line Items]    
Preferred shares issued in settlement of debt, shares issued 55,888  
Preferred shares issued in settlement of debt, amount $ 2,800,000