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SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($)
12 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2014
Deducted From the Asset to Which it Applies - Allowance for doubtful accounts for the years ended [Abstract]      
Balance at Beginning of Period $ 258,400 $ 360,000 $ 536,255
Charged to Cost and Expense 247,724 170,631 107,131
Charged to Other Accounts - Recoveries 122,364 237,267 225,502
Amounts Charged Off Or Paid 327,792 509,498 508,888
Balance at End of Period $ 300,696 $ 258,400 $ 360,000