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Debt - Unsecured Notes (Details)
12 Months Ended
Mar. 07, 2019
USD ($)
item
D
$ / shares
Sep. 30, 2020
USD ($)
$ / shares
shares
Nov. 16, 2021
Sep. 30, 2021
USD ($)
Nov. 04, 2020
USD ($)
Debt Instrument [Line Items]          
Debt outstanding   $ 954,485   $ 11,790,054  
Unsecured notes          
Debt Instrument [Line Items]          
Original principal amount $ 1,000,000       $ 10,200,000
Debt outstanding $ 1,947,133 0      
Monthly stated interest rate 2.50%        
Interest rate (as a percent) 12.00%   10.00%   7.50%
Conversion rate per share | $ / shares $ 13.44        
Stock price threshold (as a percent) 95.00%        
Number of lowest closing bid prices | item 2        
Trading day threshold | D 20        
Carrying value of notes exchanged   977,966      
Accrued interest of notes exchanged   $ 570,460      
Common stock issued on conversion (in shares) | shares   1,475,258      
Interest expense   $ 12,997      
Unsecured notes | Weighted average          
Debt Instrument [Line Items]          
Conversion rate per share | $ / shares   $ 1.05