Investment Securities (Schedule of Available-for-Sale Securities) (Details) - USD ($)	Dec. 31, 2018	Jun. 30, 2018
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 5,790,340	$ 11,525,754
Gross Unrealized Gains	252	635
Gross Unrealized Losses	(2,447)	(5,683)
Fair Value	5,788,145	11,520,706
Certificates of Deposit [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	5,198,627	10,440,000
Gross Unrealized Gains
Gross Unrealized Losses
Fair Value	5,198,627	10,440,000
Municipal Bonds [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	591,713	1,085,754
Gross Unrealized Gains	252	635
Gross Unrealized Losses	(2,447)	(5,683)
Fair Value	$ 589,518	$ 1,080,706

Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563

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Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

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This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

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Amount of investment in debt and equity securities categorized neither as trading securities nor held-to-maturity securities and intended be sold or mature one year or operating cycle, if longer.

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