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Investment Securities and Fair Value of Financial Instruments (Schedule of Available-for-Sale Securities) (Details) - USD ($)
Mar. 31, 2017
Jun. 30, 2016
Schedule of Available-for-sale Securities [Line Items]    
Amortized Cost $ 9,211,268 $ 5,578,593
Gross Unrealized Gains 53 1,466
Gross Unrealized Losses (900)
Fair Value 9,210,421 5,580,059
Municipal Bonds [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Amortized Cost 310,268 707,593
Gross Unrealized Gains 53 1,466
Gross Unrealized Losses (900)
Fair Value 309,421 709,059
Certificates of Deposit [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Amortized Cost 8,901,000 4,871,000
Gross Unrealized Gains
Gross Unrealized Losses
Fair Value $ 8,901,000 $ 4,871,000