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Revenue Recognition (Disaggregation of Revenue) (Details) - USD ($)
3 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Disaggregation of Revenue [Line Items]    
Net Sales $ 5,208,295 $ 5,410,762
United States [Member]    
Disaggregation of Revenue [Line Items]    
Net Sales 3,951,545 4,501,312
Export [Member]    
Disaggregation of Revenue [Line Items]    
Net Sales $ 1,256,750 $ 909,450