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, 2024
Mar. 31, 2023
Mar. 31, 2024
Mar. 31, 2023
Disaggregation of Revenue [Line Items]        
Revenues $ 4,135,301 $ 6,585,967 $ 6,276,027 $ 9,093,761
United States [Member]        
Disaggregation of Revenue [Line Items]        
Revenues 1,237,629 4,787,258 2,593,718 5,596,635
South Africa [Member]        
Disaggregation of Revenue [Line Items]        
Revenues 1,177,200 1,328,400 1,177,200 1,329,678
Mozambique [Member]        
Disaggregation of Revenue [Line Items]        
Revenues 855,360   855,360  
Other Countries [Member]        
Disaggregation of Revenue [Line Items]        
Revenues $ 865,112 $ 470,309 $ 1,649,749 $ 2,167,448