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Derivative Financial Instruments (Warrant Liability) | 6 Months Ended
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Dec. 31, 2017
Derivative Instruments and Hedging Activities Disclosure [Abstract] |
Derivative Financial Instruments (Warrant Liability) | 10. Derivative Financial Instruments (Warrant Liability) On June 11, 2012, we executed a Securities Purchase Agreement with respect to a private placement of an aggregate of 1,943,852 shares of our Class A common stock at $1.02 per share and warrants to purchase up to 1,457,892 shares of our Class A common stock at an initial exercise price of $1.32 per share, which was subsequently reduced to $1.26 and then to $1.22 on December 21, 2016 as a result of our public offering (the “June 2012 Warrants”). The June 2012 Warrants were exercisable for a period of five years beginning on December 11, 2012 and expiring on December 11, 2017. We accounted for the June 2012 Warrants issued to investors in accordance with ASC 815-10. ASC 815-10 provides guidance for determining whether an equity-linked financial instrument (or embedded feature) is indexed to an entity’s own stock. This applies to any freestanding financial instrument or embedded feature that has all the characteristics of a derivative under ASC 815-10, including any freestanding financial instrument that is potentially settled in an entity’s own stock. Due to certain adjustments that could be made to the exercise price of the June 2012 Warrants if we issued or sold shares of our Class A common stock at a price that was less than the then-current warrant exercise price, the June 2012 Warrants were classified as a liability, as opposed to equity, in accordance with ASC 815-10, as we determined that the June 2012 Warrants were not indexed to our Class A common stock. During the term of the June 2012 Warrants, we re-measured the fair value of the outstanding June 2012 Warrants at the end of each reporting period to reflect their fair market value at the end of the current reporting period. We also measured the fair value upon each warrant exercise, to determine the fair value adjustment to the warrant liability related to the warrant exercise. We record the change in fair value of the June 2012 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%
During the six months ended December 31, 2017, we issued 433,810 shares of our Class A common stock upon the exercise of the June 2012 Warrants, which included 329,195 that were subject to re-measurement. The June 2012 Warrants expired on December 11, 2017; therefore, we reduced the warrant liability to zero as of December 31, 2017. The warrant liabilities were considered recurring Level 3 financial instruments. 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 No definition available. + Details
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- Definition The entire disclosure for derivative instruments and hedging activities including, but not limited to, risk management strategies, non-hedging derivative instruments, assets, liabilities, revenue and expenses, and methodologies and assumptions used in determining the amounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -URI http://asc.fasb.org/topic&trid=2229140 + Details
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