Fair Value of Financial Instruments

6 Months Ended

Jun. 30, 2016

Fair Value of Financial Instruments [Abstract]

Note 3 – Fair Value of Financial Instruments

There were no transfers between Levels 1, 2, or 3 during 2016 or 2015.

	Fair Value Measurements at Reporting Date Using
	Total		Quoted Prices in Active Markets (Level 1)		Quoted Prices in Inactive Markets (Level 2)		Significant Unobservable Inputs (Level 3)
As of June 30, 2016: (unaudited)
Cash and cash equivalents	$	111,022,034	$	111,022,034	$	-	$	-

As of December 31, 2015:
Cash and cash equivalents	$	130,189,421	$	130,189,421	$	-	$	-

Prior to our IPO which closed on October 6, 2015, Level 3 instruments consisted of the Company’s Series C and Series C-1 convertible preferred stock warrant liability and common stock warrant liability. The fair values of the outstanding warrants were measured using the Black-Scholes option-pricing model (Note 5). Inputs used to determine estimated fair value of the warrant liabilities include the estimated fair value of the underlying stock at the valuation date, the estimated term of the warrants, risk-free interest rates, expected dividends and the expected volatility of the underlying stock. The significant unobservable inputs used in the fair value measurement of the warrant liabilities were the fair value of the underlying stock at the valuation date and the estimated term of the warrants. Generally, increases (decreases) in the fair value of the underlying stock and estimated term would result in a directionally similar impact to the fair value measurement. After the IPO, the warrants were no longer liability classified and were no longer considered Level 3 instruments.

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

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