Quarterly report pursuant to Section 13 or 15(d)

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

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Revenue from Contracts with Customers (Revenue by Geographic Area) (Details) - USD ($)
 3 Months Ended 6 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Mar. 31, 2022
Mar. 31, 2021
Revenues from External Customers and Long-Lived Assets [Line Items]        
Revenues $ 13,028,394 $ 13,340,487 $ 27,163,526 $ 27,957,476
United States [Member]        
Revenues from External Customers and Long-Lived Assets [Line Items]        
Revenues 11,846,960 10,612,998 23,755,485 20,968,836
Other Countries [Member]        
Revenues from External Customers and Long-Lived Assets [Line Items]        
Revenues $ 1,181,434 $ 2,727,489 $ 3,408,041 $ 6,988,640