Quarterly report pursuant to Section 13 or 15(d)

Revenue from Contracts with Customers (Revenue by Geographic Area) (Details)

v3.21.2
Revenue from Contracts with Customers (Revenue by Geographic Area) (Details) - USD ($)
 3 Months Ended 9 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Revenues from External Customers and Long-Lived Assets [Line Items]        
Revenues $ 17,655,592 $ 10,321,754 $ 45,613,068 $ 30,842,874
United States [Member]        
Revenues from External Customers and Long-Lived Assets [Line Items]        
Revenues 14,080,810 6,396,762 35,049,646 20,575,515
South Africa [Member]        
Revenues from External Customers and Long-Lived Assets [Line Items]        
Revenues [1] 1,182,225 [1] [1]
Other Countries [Member]        
Revenues from External Customers and Long-Lived Assets [Line Items]        
Revenues $ 3,574,782 $ 2,742,767 $ 10,563,422 $ 10,267,359
Maximum [Member]        
Revenues from External Customers and Long-Lived Assets [Line Items]        
Percent of revenue benchmark 10.00%   10.00% 10.00%
[1] Less than 10% of total net revenues and included in Other