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Retirement and Post-Retirement Plans (Details) - USD ($)
12 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2013
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Liability, Retirement and Postemployment Benefits $ 851,371 $ 901,238 $ 937,480
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate 4.50% 3.90%  
Multiemployer Plans, Plan Contributions $ 0    
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]      
Actuarial adjustment 52,024 $ 65,649  
Payment of benefits (101,891) $ (101,891)  
Payment for Pension and Other Postretirement Benefits $ 8,491