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Derivative Financial Instruments (Warrant Liability) (Tables)

6 Months Ended

Dec. 31, 2017

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of fair value inputs of derivative financial instruments

Warrants in the statement of comprehensive income, which is estimated using the Lattice option-pricing model using the following range of assumptions for the respective periods:

	December 31,		June 30,
Inputs into Lattice model for warrants:	2017		2017
Equivalent volatility	21.06% - 162.92%		47.39% - 75.80%
Equivalent interest rate	0.95% - 1.14%		0.62% - 1.13%
Floor	$1.15		$1.15
Stock price	$2.56 - $2.60		$1.15 - $3.25
Probability price < strike price	0.00%		4.70%
Fair value of call	$1.13 - $2.79		$0.30 - $2.04
Probability of fundamental transaction occurring	0%		0%

Schedule of Level 3 inputs measured on a recurring basis

The following table summarizes the activity of Level 3 instruments measured on a recurring basis for the six months ended December 31, 2017:

		Warrant Liability
Fair value, June 30, 2017		$	490,500
Exercise of common stock warrants			(685,132	)
Change in fair value of warrant liability			194,632
Fair value, December 31, 2017		$	—

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- References

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- Definition

Tabular disclosure of quantitative information about the inputs used in the fair value measurement of financial instruments classified in shareholders' equity. This disclosure may include, but is not limited to, the fair value of the financial instrument classified in shareholders' equity, valuation technique used to measure fair value, the inputs used to measure fair value, the ranges of the inputs, and the weighted averages of the inputs.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258

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- Definition

Tabular disclosure of the fair value measurement of liabilities using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets), and gains or losses recognized in other comprehensive income (loss) and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs) by class of liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19279-110258

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258

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