Quarterly report pursuant to Section 13 or 15(d)

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

v3.21.1
Revenue from Contracts with Customers (Revenue by Geographic Area) (Details) - USD ($)
 3 Months Ended 6 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Mar. 31, 2021
Mar. 31, 2020
Revenues from External Customers and Long-Lived Assets [Line Items]        
Revenues $ 13,340,487 $ 9,943,104 $ 27,957,476 $ 20,521,120
United States [Member]        
Revenues from External Customers and Long-Lived Assets [Line Items]        
Revenues 10,612,998 7,674,849 20,968,836 14,166,003
Other Countries [Member]        
Revenues from External Customers and Long-Lived Assets [Line Items]        
Revenues $ 2,727,489 $ 2,268,255 $ 6,988,640 $ 6,355,117