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Investment Securities and Fair Value of Financial Instruments (Tables)
9 Months Ended
Mar. 31, 2017
Investments, Debt and Equity Securities [Abstract]  
Schedule of Available-for-Sale Securities

      Gross   Gross     
   Amortized   Unrealized   Unrealized   Fair 
   Cost   Gains   Losses   Value 
March 31, 2017                    
Certificates of deposit  $8,901,000   $   $   $8,901,000 
Municipal bonds   310,268    53    (900)   309,421 
Total investment securities  $9,211,268   $53   $(900)  $9,210,421 
June 30, 2016                    
Certificates of deposit  $4,871,000   $   $   $4,871,000 
Municipal bonds   707,593    1,466        709,059 
Total investment securities  $5,578,593   $1,466   $   $5,580,059 

 

Schedule of Contractual Maturities

   Years to Maturity     
   Less than   One to     
   One Year   Five Years   Total 
March 31, 2017               
Available-for-sale  $8,846,312   $364,109   $9,210,421 
                
June 30, 2016               
Available-for-sale  $4,811,511   $768,548   $5,580,059