General form of registration statement for all companies including face-amount certificate companies

Note Payable (Details)

v3.21.1
Note Payable (Details)
3 Months Ended 6 Months Ended
Mar. 31, 2021
USD ($)
Mar. 31, 2021
USD ($)
Sep. 30, 2020
USD ($)
Apr. 08, 2020
USD ($)
installment
Sep. 30, 2019
USD ($)
May 24, 2019
USD ($)
Debt Instrument [Line Items]            
Principal amount           $ 300,000
Blade Urban Air Mobility [Member]            
Debt Instrument [Line Items]            
Notes payable, current $ 1,165,000 $ 1,165,000 $ 1,165,000   $ 0  
Blade Urban Air Mobility [Member] | Paycheck Protection Program            
Debt Instrument [Line Items]            
Principal amount       $ 1,165,000    
ppp loan interest       0.98%    
Number of equal monthly installments | installment       18    
Interest Expense $ 6,000 $ 3,000