Quarterly report pursuant to Section 13 or 15(d)

Leases (Narrative) (Details)

v3.23.1
Leases (Narrative) (Details)
 6 Months Ended
Mar. 31, 2023
USD ($)
ft²
item
Mar. 31, 2022
USD ($)
Operating Leased Assets [Line Items]    
Number of subleases | item 1  
Operating lease payments $ 482,000 $ 293,000
Right-of-use assets recorded in exchange for lease liabilities $ 264,896 $ 4,392,583
Minimum [Member]    
Operating Leased Assets [Line Items]    
Remaining term of leases 1 year  
Maximum [Member]    
Operating Leased Assets [Line Items]    
Remaining term of leases 7 years  
London, England [Member] | Office Space [Member]    
Operating Leased Assets [Line Items]    
Area of real estate property | ft² 6,400  
Operating lease term 5 years  
Operating lease option to exercise cancellation with no penalty term 6 months  
Operating lease abatement term 3 years  
Right-of-use assets recorded in exchange for lease liabilities $ 265,000