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Revenue Recognition (Narrative) (Details) - USD ($)
12 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2021
Disaggregation of Revenue [Line Items]      
Revenue recognized $ 338,529 $ 453,693  
Deferred revenue liability     $ 883,564
Domestic sales [Member]      
Disaggregation of Revenue [Line Items]      
Remaining performance obligation, percentage 2.40% 3.00%  
Export sales [Member]      
Disaggregation of Revenue [Line Items]      
Remaining performance obligation, percentage 10.00% 14.00%  
Minimum [Member]      
Disaggregation of Revenue [Line Items]      
Contract with customer liability remaining performance obligation expected timing of satisfaction period 1 year    
Maximum [Member]      
Disaggregation of Revenue [Line Items]      
Contract with customer liability remaining performance obligation expected timing of satisfaction period 3 years