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
Dec. 31, 2019
Dec. 31, 2018
Revenues from External Customers and Long-Lived Assets [Line Items]    
Revenues $ 10,578,016 $ 6,371,809
United States [Member]    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Revenues 6,491,154 3,009,603
United Arab Emirates [Member]    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Revenues 1,605,000  
Zimbabwe [Member]    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Revenues   1,358,000
Nigeria [Member]    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Revenues   750,000
Other Countries [Member]    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Revenues $ 2,481,862 $ 1,254,206